Avoid "uninitialized variable" message after new keyword
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / parser / Parser.java
index dceae31..4dcd0f8 100644 (file)
-/**********************************************************************
- Copyright (c) 2002 Klaus Hartlage - www.eclipseproject.de
- All rights reserved. This program and the accompanying materials
- are made available under the terms of the Common Public License v1.0
- which accompanies this distribution, and is available at
- http://www.eclipse.org/legal/cpl-v10.html
-
- Contributors:
- Klaus Hartlage - www.eclipseproject.de
- **********************************************************************/
+/***********************************************************************************************************************************
+ * Copyright (c) 2002 www.phpeclipse.de All rights reserved. This program and the accompanying material are made available under the
+ * terms of the Common Public License v1.0 which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors: www.phpeclipse.de
+ **********************************************************************************************************************************/
 package net.sourceforge.phpdt.internal.compiler.parser;
+
 import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+
 import net.sourceforge.phpdt.core.compiler.CharOperation;
 import net.sourceforge.phpdt.core.compiler.ITerminalSymbols;
 import net.sourceforge.phpdt.core.compiler.InvalidInputException;
+import net.sourceforge.phpdt.internal.compiler.ast.AND_AND_Expression;
+import net.sourceforge.phpdt.internal.compiler.ast.ASTNode;
+import net.sourceforge.phpdt.internal.compiler.ast.AbstractMethodDeclaration;
+import net.sourceforge.phpdt.internal.compiler.ast.BinaryExpression;
+import net.sourceforge.phpdt.internal.compiler.ast.Block;
+import net.sourceforge.phpdt.internal.compiler.ast.BreakStatement;
+import net.sourceforge.phpdt.internal.compiler.ast.CompilationUnitDeclaration;
+import net.sourceforge.phpdt.internal.compiler.ast.ConditionalExpression;
+import net.sourceforge.phpdt.internal.compiler.ast.ContinueStatement;
+import net.sourceforge.phpdt.internal.compiler.ast.EqualExpression;
+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.IfStatement;
+import net.sourceforge.phpdt.internal.compiler.ast.ImportReference;
+import net.sourceforge.phpdt.internal.compiler.ast.InstanceOfExpression;
+import net.sourceforge.phpdt.internal.compiler.ast.MethodDeclaration;
+import net.sourceforge.phpdt.internal.compiler.ast.OR_OR_Expression;
+import net.sourceforge.phpdt.internal.compiler.ast.OperatorIds;
+import net.sourceforge.phpdt.internal.compiler.ast.ReturnStatement;
+import net.sourceforge.phpdt.internal.compiler.ast.SingleTypeReference;
+import net.sourceforge.phpdt.internal.compiler.ast.Statement;
+import net.sourceforge.phpdt.internal.compiler.ast.StringLiteral;
+import net.sourceforge.phpdt.internal.compiler.ast.StringLiteralDQ;
+import net.sourceforge.phpdt.internal.compiler.ast.StringLiteralSQ;
+import net.sourceforge.phpdt.internal.compiler.ast.TypeDeclaration;
+import net.sourceforge.phpdt.internal.compiler.ast.TypeReference;
+import net.sourceforge.phpdt.internal.compiler.impl.CompilerOptions;
 import net.sourceforge.phpdt.internal.compiler.impl.ReferenceContext;
 import net.sourceforge.phpdt.internal.compiler.lookup.CompilerModifiers;
 import net.sourceforge.phpdt.internal.compiler.lookup.TypeConstants;
 import net.sourceforge.phpdt.internal.compiler.problem.ProblemReporter;
-import net.sourceforge.phpeclipse.internal.compiler.ast.AbstractMethodDeclaration;
-import net.sourceforge.phpeclipse.internal.compiler.ast.AstNode;
-import net.sourceforge.phpeclipse.internal.compiler.ast.CompilationUnitDeclaration;
-import net.sourceforge.phpeclipse.internal.compiler.ast.MethodDeclaration;
-import net.sourceforge.phpeclipse.internal.compiler.ast.SingleTypeReference;
-import net.sourceforge.phpeclipse.internal.compiler.ast.TypeDeclaration;
-import net.sourceforge.phpeclipse.phpeditor.PHPString;
+import net.sourceforge.phpdt.internal.compiler.problem.ProblemSeverities;
+import net.sourceforge.phpdt.internal.compiler.util.Util;
+import net.sourceforge.phpdt.internal.ui.util.PHPFileUtil;
+import net.sourceforge.phpeclipse.builder.IdentifierIndexManager;
+import net.sourceforge.phpeclipse.ui.overlaypages.ProjectPrefUtil;
+
 import org.eclipse.core.resources.IFile;
-public class Parser //extends PHPParserSuperclass
-    implements ITerminalSymbols, CompilerModifiers, ParserBasicInformation {
-  //internal data for the automat
-  protected final static int StackIncrement = 255;
-  protected int stateStackTop;
-  protected int[] stack = new int[StackIncrement];
-  public int firstToken; // handle for multiple parsing goals
-  public int lastAct; //handle for multiple parsing goals
-  protected RecoveredElement currentElement;
-  public static boolean VERBOSE_RECOVERY = false;
-  protected boolean diet = false; //tells the scanner to jump over some
-  // parts of the code/expressions like
-  // method bodies
-  //scanner token
-  public Scanner scanner;
-  private ArrayList phpList;
-  private int currentPHPString;
-  private boolean phpEnd;
-  // private static HashMap keywordMap = null;
-  private String str;
-  // current character
-  //  char ch;
-  // current token
-  int token;
-  // row counter for syntax errors:
-  //int rowCount;
-  // column counter for syntax errors:
-  //int columnCount;
-  //int chIndx;
-  //
-  //   // current identifier
-  //   String identifier;
-  Long longNumber;
-  Double doubleNumber;
-  private String stringValue;
-  /** Contains the current expression. */
-  // private StringBuffer expression;
-  private boolean phpMode;
-  protected int modifiers;
-  protected int modifiersSourceStart;
-  protected Parser() {
-    this.currentPHPString = 0;
-    //         PHPParserSuperclass.fileToParse = fileToParse;
-    this.phpList = null;
-    this.str = "";
-    this.token = TokenNameEOF;
-    //    this.chIndx = 0;
-    //    this.rowCount = 1;
-    //    this.columnCount = 0;
-    this.phpEnd = false;
-    //   getNextToken();
-    this.initializeScanner();
-  }
-  public void setFileToParse(IFile fileToParse) {
-    this.currentPHPString = 0;
-    //    PHPParserSuperclass.fileToParse = fileToParse;
-    this.phpList = null;
-    this.str = "";
-    this.token = TokenNameEOF;
-    this.phpEnd = false;
-    this.initializeScanner();
-  }
-  /**
-   * ClassDeclaration Constructor.
-   * 
-   * @param s
-   * @param sess
-   *            Description of Parameter
-   * @see
-   */
-  public Parser(IFile fileToParse) {
-    //    if (keywordMap == null) {
-    //      keywordMap = new HashMap();
-    //      for (int i = 0; i < PHP_KEYWORS.length; i++) {
-    //        keywordMap.put(PHP_KEYWORS[i], new Integer(PHP_KEYWORD_TOKEN[i]));
-    //      }
-    //    }
-    this.currentPHPString = 0;
-    //    PHPParserSuperclass.fileToParse = fileToParse;
-    this.phpList = null;
-    this.str = "";
-    this.token = TokenNameEOF;
-    //    this.chIndx = 0;
-    //    this.rowCount = 1;
-    //    this.columnCount = 0;
-    this.phpEnd = false;
-    //   getNextToken();
-    this.initializeScanner();
-  }
-  public void initializeScanner() {
-    this.scanner = new Scanner(false, false, false, false);
-  }
-  /**
-   * Create marker for the parse error
-   */
-  //  private void setMarker(String message, int charStart, int charEnd, int
-  // errorLevel) {
-  //    setMarker(fileToParse, message, charStart, charEnd, errorLevel);
-  //  }
-  /**
-   * This method will throw the SyntaxError. It will add the good lines and
-   * columns to the Error
-   * 
-   * @param error
-   *            the error message
-   * @throws SyntaxError
-   *             the error raised
-   */
-  private void throwSyntaxError(String error) {
-    int problemStartPosition = scanner.getCurrentTokenStartPosition();
-    int problemEndPosition = scanner.getCurrentTokenEndPosition();
-    throwSyntaxError(error, problemStartPosition, problemEndPosition);
-  }
-  /**
-   * This method will throw the SyntaxError. It will add the good lines and
-   * columns to the Error
-   * 
-   * @param error
-   *            the error message
-   * @throws SyntaxError
-   *             the error raised
-   */
-  //  private void throwSyntaxError(String error, int startRow) {
-  //    throw new SyntaxError(startRow, 0, " ", error);
-  //  }
-  private void throwSyntaxError(String error, int problemStartPosition,
-      int problemEndPosition) {
-    problemReporter
-        .phpParsingError(new String[]{error}, problemStartPosition,
-            problemEndPosition, referenceContext,
-            compilationUnit.compilationResult);
-    throw new SyntaxError(1, 0, " ", error);
-  }
-  private void reportSyntaxError(String error, int problemStartPosition,
-      int problemEndPosition) {
-    problemReporter
-        .phpParsingError(new String[]{error}, problemStartPosition,
-            problemEndPosition, referenceContext,
-            compilationUnit.compilationResult);
-  }
-  /**
-   * Method Declaration.
-   * 
-   * @see
-   */
-  //  private void getChar() {
-  //    if (str.length() > chIndx) {
-  //      ch = str.charAt(chIndx++);
-  //
-  //      return;
-  //    }
-  //
-  //    chIndx = str.length() + 1;
-  //    ch = ' ';
-  //    // token = TokenNameEOF;
-  //    phpEnd = true;
-  //  }
-  /**
-   * gets the next token from input
-   */
-  private void getNextToken() {
-    try {
-      token = scanner.getNextToken();
-      if (Scanner.DEBUG) {
-        int currentEndPosition = scanner.getCurrentTokenEndPosition();
-        int currentStartPosition = scanner.getCurrentTokenStartPosition();
-        System.out
-            .print(currentStartPosition + "," + currentEndPosition + ": ");
-        System.out.println(scanner.toStringAction(token));
-      }
-    } catch (InvalidInputException e) {
-      token = TokenNameERROR;
-    }
-    return;
-  }
-  /**
-   * Get a number. if it's a <code>double</code> the number will be stored in
-   * <code>doubleNumber</code> and the token will have the value
-   * {@link Parser#TokenNameDOUBLE_NUMBER}<br />
-   * if it's a <code>double</code> the number will be stored in <code>longNumber</code>
-   * and the token will have the value {@link Parser#TokenNameINT_NUMBER}
-   */
-  //  private void getNumber() {
-  //    StringBuffer inum = new StringBuffer();
-  //    char dFlag = ' ';
-  //    int numFormat = 10;
-  //
-  //    // save first digit
-  //    char firstCh = ch;
-  //    inum.append(ch);
-  //
-  //    getChar();
-  //    // determine number conversions:
-  //    if (firstCh == '0') {
-  //      switch (ch) {
-  //        case 'b' :
-  //          numFormat = 2;
-  //          getChar();
-  //          break;
-  //        case 'B' :
-  //          numFormat = 2;
-  //          getChar();
-  //          break;
-  //        case 'o' :
-  //          numFormat = 8;
-  //          getChar();
-  //          break;
-  //        case 'O' :
-  //          numFormat = 8;
-  //          getChar();
-  //          break;
-  //        case 'x' :
-  //          numFormat = 16;
-  //          getChar();
-  //          break;
-  //        case 'X' :
-  //          numFormat = 16;
-  //          getChar();
-  //          break;
-  //      }
-  //    }
-  //
-  //    if (numFormat == 16) {
-  //      while ((ch >= '0' && ch <= '9')
-  //        || (ch >= 'a' && ch <= 'f')
-  //        || (ch >= 'A' && ch <= 'F')) {
-  //        inum.append(ch);
-  //        getChar();
-  //      }
-  //    } else {
-  //      while ((ch >= '0' && ch <= '9')
-  //        || (ch == '.')
-  //        || (ch == 'E')
-  //        || (ch == 'e')) {
-  //        if ((ch == '.') || (ch == 'E') || (ch == 'e')) {
-  //          if (ch == '.' && dFlag != ' ') {
-  //            break;
-  //          }
-  //          if ((dFlag == 'E') || (dFlag == 'e')) {
-  //            break;
-  //          }
-  //          dFlag = ch;
-  //          inum.append(ch);
-  //          getChar();
-  //          if ((ch == '-') || (ch == '+')) {
-  //            inum.append(ch);
-  //            getChar();
-  //          }
-  //        } else {
-  //          inum.append(ch);
-  //          getChar();
-  //        }
-  //      }
-  //    }
-  //    chIndx--;
-  //
-  //    try {
-  //      if (dFlag != ' ') {
-  //        doubleNumber = new Double(inum.toString());
-  //        token = TokenNameDoubleLiteral;
-  //        return;
-  //      } else {
-  //        longNumber = Long.valueOf(inum.toString(), numFormat);
-  //        token = TokenNameIntegerLiteral;
-  //        return;
-  //      }
-  //
-  //    } catch (Throwable e) {
-  //      throwSyntaxError("Number format error: " + inum.toString());
-  //    }
-  //  }
-  //
-  //  /**
-  //   * Get a String.
-  //   * @param openChar the opening char ('\'', '"', '`')
-  //   * @param typeString the type of string {@link
-  // #TokenNameSTRING_CONSTANT},{@link #TokenNameINTERPOLATED_STRING}
-  //   * @param errorMsg the error message in case of parse error in the string
-  //   */
-  //  private void getString(
-  //    final char openChar,
-  //    final int typeString,
-  //    final String errorMsg) {
-  //    StringBuffer sBuffer = new StringBuffer();
-  //    boolean openString = true;
-  //    int startRow = rowCount;
-  //    while (str.length() > chIndx) {
-  //      ch = str.charAt(chIndx++);
-  //      if (ch == '\\') {
-  //        sBuffer.append(ch);
-  //        if (str.length() > chIndx) {
-  //          ch = str.charAt(chIndx++);
-  //          sBuffer.append(ch);
-  //        }
-  //      } else if (ch == openChar) {
-  //        openString = false;
-  //        break;
-  //      } else if (ch == '\n') {
-  //        rowCount++;
-  //        columnCount = chIndx;
-  //      } else {
-  //        sBuffer.append(ch);
-  //      }
-  //    }
-  //    if (openString) {
-  //      if (typeString == TokenNameStringConstant) {
-  //        throwSyntaxError(errorMsg, startRow);
-  //      } else {
-  //        throwSyntaxError(errorMsg);
-  //      }
-  //    }
-  //    token = typeString;
-  //    stringValue = sBuffer.toString();
-  //  }
-  //   public void htmlParserTester(String input) {
-  //           int lineNumber = 1;
-  //           int startLineNumber = 1;
-  //           int startIndex = 0;
-  //           char ch;
-  //           char ch2;
-  //           boolean phpMode = false;
-  //           boolean phpFound = false;
-  //
-  //           phpList = new ArrayList();
-  //           currentPHPString = 0;
-  //
-  //           try {
-  //                   int i = 0;
-  //                   while (i < input.length()) {
-  //                           ch = input.charAt(i++);
-  //                           if (ch == '\n') {
-  //                                   lineNumber++;
-  //                           }
-  //                           if ((!phpMode) && ch == '<') {
-  //                                   ch2 = input.charAt(i++);
-  //                                   if (ch2 == '?') {
-  //                                           ch2 = input.charAt(i++);
-  //                                           if (Character.isWhitespace(ch2)) {
-  //                                                   // php start
-  //                                                   phpMode = true;
-  //                                                   phpFound = true;
-  //                                                   startIndex = i;
-  //                                                   startLineNumber = lineNumber;
-  //                                                   continue;
-  //                                           } else if (ch2 == 'p') {
-  //                                                   ch2 = input.charAt(i++);
-  //                                                   if (ch2 == 'h') {
-  //                                                           ch2 = input.charAt(i++);
-  //                                                           if (ch2 == 'p') {
-  //                                                                   phpMode = true;
-  //                                                                   phpFound = true;
-  //                                                                   startIndex = i;
-  //                                                                   startLineNumber = lineNumber;
-  //                                                                   continue;
-  //                                                           }
-  //                                                           i--;
-  //                                                   }
-  //                                                   i--;
-  //                                           } else if (ch2 == 'P') {
-  //                                                   ch2 = input.charAt(i++);
-  //                                                   if (ch2 == 'H') {
-  //                                                           ch2 = input.charAt(i++);
-  //                                                           if (ch2 == 'P') {
-  //                                                                   phpMode = true;
-  //                                                                   phpFound = true;
-  //                                                                   startIndex = i;
-  //                                                                   startLineNumber = lineNumber;
-  //                                                                   continue;
-  //                                                           }
-  //                                                           i--;
-  //                                                   }
-  //                                                   i--;
-  //                                           }
-  //                                           i--;
-  //                                   }
-  //                                   i--;
-  //                           }
-  //
-  //                           if (phpMode) {
-  //                                   if (ch == '/' && i < input.length()) {
-  //                                           ch2 = input.charAt(i++);
-  //                                           if (ch2 == '/') {
-  //                                                   while (i < input.length()) {
-  //                                                           ch = input.charAt(i++);
-  //                                                           if (ch == '?' && i < input.length()) {
-  //                                                                   ch2 = input.charAt(i++);
-  //                                                                   if (ch2 == '>') {
-  //                                                                           // php end
-  //                                                                           phpMode = false;
-  //                                                                           phpList.add(
-  //                                                                                   new PHPString(
-  //                                                                                           input.substring(
-  //                                                                                                   startIndex,
-  //                                                                                                   i - 2),
-  //                                                                                           startLineNumber));
-  //                                                                           continue;
-  //                                                                   }
-  //                                                                   i--;
-  //                                                           } else if (ch == '\n') {
-  //                                                                   lineNumber++;
-  //                                                                   break;
-  //                                                           }
-  //                                                   }
-  //                                                   continue;
-  //                                           } else if (ch2 == '*') {
-  //                                                   // multi-line comment
-  //                                                   while (i < input.length()) {
-  //                                                           ch = input.charAt(i++);
-  //                                                           if (ch == '\n') {
-  //                                                                   lineNumber++;
-  //                                                           } else if (ch == '*' && i < input.length()) {
-  //                                                                   ch2 = input.charAt(i++);
-  //                                                                   if (ch2 == '/') {
-  //                                                                           break;
-  //                                                                   }
-  //                                                                   i--;
-  //                                                           }
-  //                                                   }
-  //                                                   continue;
-  //                                           } else {
-  //                                                   i--;
-  //                                           }
-  //                                   } else if (ch == '#') {
-  //                                           while (i < input.length()) {
-  //                                                   ch = input.charAt(i++);
-  //                                                   if (ch == '?' && i < input.length()) {
-  //                                                           ch2 = input.charAt(i++);
-  //                                                           if (ch2 == '>') {
-  //                                                                   // php end
-  //                                                                   phpMode = false;
-  //                                                                   phpList.add(
-  //                                                                           new PHPString(
-  //                                                                                   input.substring(startIndex, i - 2),
-  //                                                                                   startLineNumber));
-  //                                                                   continue;
-  //                                                           }
-  //                                                           i--;
-  //                                                   } else if (ch == '\n') {
-  //                                                           lineNumber++;
-  //                                                           break;
-  //                                                   }
-  //                                           }
-  //                                           continue;
-  //                                   } else if (ch == '"') {
-  //                                           ch = ' ';
-  //                                           while (i < input.length()) {
-  //                                                   ch = input.charAt(i++);
-  //                                                   if (ch == '\n') {
-  //                                                           lineNumber++;
-  //                                                   } else if (
-  //                                                           ch == '\\' && i < input.length()) { // escape
-  //                                                           i++;
-  //                                                   } else if (ch == '"') {
-  //                                                           break;
-  //                                                   }
-  //                                           }
-  //                                           continue;
-  //                                   } else if (ch == '\'') {
-  //                                           ch = ' ';
-  //                                           while (i < input.length()) {
-  //                                                   ch = input.charAt(i++);
-  //                                                   if (ch == '\n') {
-  //                                                           lineNumber++;
-  //                                                   } else if (
-  //                                                           ch == '\\' && i < input.length()) { // escape
-  //                                                           i++;
-  //                                                   } else if (ch == '\'') {
-  //                                                           break;
-  //                                                   }
-  //                                           }
-  //                                           continue;
-  //                                   }
-  //
-  //                                   if (ch == '?' && i < input.length()) {
-  //                                           ch2 = input.charAt(i++);
-  //                                           if (ch2 == '>') {
-  //                                                   // php end
-  //                                                   phpMode = false;
-  //                                                   phpList.add(
-  //                                                           new PHPString(
-  //                                                                   input.substring(startIndex, i - 2),
-  //                                                                   startLineNumber));
-  //                                                   continue;
-  //                                           }
-  //                                           i--;
-  //                                   }
-  //                           }
-  //                   }
-  //
-  //                   if (!phpFound) {
-  //                           setMarker(
-  //                                   "No PHP source code found.",
-  //                                   lineNumber,
-  //                                   PHPParser.INFO);
-  //                   } else {
-  //                           if (phpMode) {
-  //                                   setMarker(
-  //                                           "Open PHP tag at end of file.",
-  //                                           lineNumber,
-  //                                           PHPParser.INFO);
-  //                                   phpList.add(
-  //                                           new PHPString(
-  //                                                   input.substring(startIndex, i - 2),
-  //                                                   startLineNumber));
-  //                           }
-  //                           // for (int j=0;j<phpList.size();j++) {
-  //                           // String temp = ((PHPString)phpList.get(j)).getPHPString();
-  //                           // int startIndx = temp.length()-10;
-  //                           // if (startIndx<0) {
-  //                           // startIndx = 0;
-  //                           // }
-  //                           // System.out.println(temp.substring(startIndx)+"?>");
-  //                           // }
-  //                           phpParserTester(null, 1);
-  //                           // PHPString temp;
-  //                           // for(int j=0;j<phpList.size();j++) {
-  //                           // temp = (PHPString) phpList.get(j);
-  //                           // parser.start(temp.getPHPString(), temp.getLineNumber());
-  //                           // }
-  //                   }
-  //           } catch (CoreException e) {
-  //           }
-  //   }
-  public void phpParserTester(String s, int rowCount) {
-    this.str = s;
-    if (s == null) {
-      if (phpList.size() != 0) {
-        this.str = ((PHPString) phpList.get(currentPHPString++)).getPHPString();
-      }
-    }
-    this.token = TokenNameEOF;
-    //    this.chIndx = 0;
-    //    this.rowCount = rowCount;
-    //    this.columnCount = 0;
-    this.phpEnd = false;
-    this.phpMode = true;
-    scanner.setSource(s.toCharArray());
-    scanner.setPHPMode(true);
-    getNextToken();
-    do {
-      try {
-        if (token != TokenNameEOF && token != TokenNameERROR) {
-          statementList();
-        }
-        if (token != TokenNameEOF) {
-          if (token == TokenNameERROR) {
-            throwSyntaxError("Scanner error (Found unknown token: "
-                + scanner.toStringAction(token) + ")");
-          }
-          if (token == TokenNameRPAREN) {
-            throwSyntaxError("Too many closing ')'; end-of-file not reached.");
-          }
-          if (token == TokenNameRBRACE) {
-            throwSyntaxError("Too many closing '}'; end-of-file not reached.");
-          }
-          if (token == TokenNameRBRACKET) {
-            throwSyntaxError("Too many closing ']'; end-of-file not reached.");
-          }
-          if (token == TokenNameLPAREN) {
-            throwSyntaxError("Read character '('; end-of-file not reached.");
-          }
-          if (token == TokenNameLBRACE) {
-            throwSyntaxError("Read character '{';  end-of-file not reached.");
-          }
-          if (token == TokenNameLBRACKET) {
-            throwSyntaxError("Read character '[';  end-of-file not reached.");
-          }
-          throwSyntaxError("End-of-file not reached.");
-        }
-        return;
-      } catch (SyntaxError err) {
-        if (s != null) {
-          throw err;
-        } else {
-          //   setMarker(err.getMessage(), err.getLine(), ERROR);
-          //          setMarker(err.getMessage(),
-          // scanner.getCurrentTokenStartPosition(),
-          // scanner.getCurrentTokenEndPosition(), ERROR);
-        }
-        // if an error occured,
-        // try to find keywords 'class' or 'function'
-        // to parse the rest of the string
-        while (token != TokenNameEOF && token != TokenNameERROR) {
-          if (token == TokenNameabstract || token == TokenNamefinal
-              || token == TokenNameclass || token == TokenNamefunction) {
-            break;
-          }
-          getNextToken();
-        }
-        if (token == TokenNameEOF || token == TokenNameERROR) {
-          return;
-        }
-      }
-    } while (true);
-  }
-  public void init(String s) {
-    this.str = s;
-    this.token = TokenNameEOF;
-    //    this.chIndx = 0;
-    //    this.rowCount = 1;
-    //    this.columnCount = 0;
-    this.phpEnd = false;
-    this.phpMode = false;
-    /* scanner initialization */
-    scanner.setSource(s.toCharArray());
-    scanner.setPHPMode(false);
-  }
-  protected void initialize(boolean phpMode) {
-    compilationUnit = null;
-    referenceContext = null;
-    this.str = "";
-    this.token = TokenNameEOF;
-    //    this.chIndx = 0;
-    //    this.rowCount = 1;
-    //    this.columnCount = 0;
-    this.phpEnd = false;
-    this.phpMode = phpMode;
-    scanner.setPHPMode(phpMode);
-  }
-  /**
-   * Parses a string with php tags i.e. '&lt;body&gt; &lt;?php phpinfo() ?&gt;
-   * &lt;/body&gt;'
-   */
-  public void parse(String s) {
-    init(s);
-    parse();
-  }
-  /**
-   * Parses a string with php tags i.e. '&lt;body&gt; &lt;?php phpinfo() ?&gt;
-   * &lt;/body&gt;'
-   */
-  protected void parse() {
-    getNextToken();
-    do {
-      try {
-        if (token != TokenNameEOF && token != TokenNameERROR) {
-          statementList();
-        }
-        if (token != TokenNameEOF) {
-          if (token == TokenNameERROR) {
-            throwSyntaxError("Scanner error (Found unknown token: "
-                + scanner.toStringAction(token) + ")");
-          }
-          if (token == TokenNameRPAREN) {
-            throwSyntaxError("Too many closing ')'; end-of-file not reached.");
-          }
-          if (token == TokenNameRBRACE) {
-            throwSyntaxError("Too many closing '}'; end-of-file not reached.");
-          }
-          if (token == TokenNameRBRACKET) {
-            throwSyntaxError("Too many closing ']'; end-of-file not reached.");
-          }
-          if (token == TokenNameLPAREN) {
-            throwSyntaxError("Read character '('; end-of-file not reached.");
-          }
-          if (token == TokenNameLBRACE) {
-            throwSyntaxError("Read character '{';  end-of-file not reached.");
-          }
-          if (token == TokenNameLBRACKET) {
-            throwSyntaxError("Read character '[';  end-of-file not reached.");
-          }
-          throwSyntaxError("End-of-file not reached.");
-        }
-        return;
-      } catch (SyntaxError sytaxErr1) {
-        // setMarker(sytaxErr1.getMessage(), sytaxErr1.getLine(),
-        // ERROR);
-        //        setMarker(sytaxErr1.getMessage(),
-        // scanner.getCurrentTokenStartPosition(),
-        // scanner.getCurrentTokenEndPosition(), ERROR);
-        try {
-          // if an error occured,
-          // try to find keywords 'class' or 'function'
-          // to parse the rest of the string
-          while (token != TokenNameEOF && token != TokenNameERROR) {
-            if (token == TokenNameabstract || token == TokenNamefinal
-                || token == TokenNameclass || token == TokenNamefunction) {
-              break;
-            }
-            getNextToken();
-          }
-          if (token == TokenNameEOF || token == TokenNameERROR) {
-            return;
-          }
-        } catch (SyntaxError sytaxErr2) {
-          //    setMarker(sytaxErr2.getMessage(), sytaxErr2.getLine(),
-          // ERROR);
-          //          setMarker(sytaxErr2.getMessage(),
-          // scanner.getCurrentTokenStartPosition(),
-          // scanner.getCurrentTokenEndPosition(), ERROR);
-          return;
-        }
-      }
-    } while (true);
-  }
-  //  public PHPOutlineInfo parseInfo(Object parent, String s) {
-  //    PHPOutlineInfo outlineInfo = new PHPOutlineInfo(parent);
-  //    // Stack stack = new Stack();
-  //    // stack.push(outlineInfo.getDeclarations());
-  //    this.str = s;
-  //    this.token = TokenNameEOF;
-  //    // this.chIndx = 0;
-  //    // this.rowCount = 1;
-  //    // this.columnCount = 0;
-  //    this.phpEnd = false;
-  //    this.phpMode = false;
-  //    scanner.setSource(s.toCharArray());
-  //    scanner.setPHPMode(false);
-  //    
-  //    getNextToken();
-  //    parseDeclarations(outlineInfo, outlineInfo.getDeclarations(), false);
-  //    
-  //    return outlineInfo;
-  //  }
-  private boolean isVariable() {
-    return token == TokenNameVariable || token == TokenNamethis;
-  }
-  //  private void parseDeclarations(PHPOutlineInfo outlineInfo,
-  //      OutlineableWithChildren current, boolean goBack) {
-  //    char[] ident;
-  //    // PHPClassDeclaration current = (PHPClassDeclaration) stack.peek();
-  //    PHPSegmentWithChildren temp;
-  //    int counter = 0;
-  //    IPreferenceStore store =
-  // PHPeclipsePlugin.getDefault().getPreferenceStore();
-  //    try {
-  //      while (token != TokenNameEOF && token != TokenNameERROR) {
-  //        if (token == TokenNameVariable) {
-  //          ident = scanner.getCurrentIdentifierSource();
-  //          outlineInfo.addVariable(new String(ident));
-  //          getNextToken();
-  //        } else if (token == TokenNamevar) {
-  //          getNextToken();
-  //          if (token == TokenNameVariable
-  //              && store.getBoolean(PHPeclipsePlugin.PHP_OUTLINE_VAR)) {
-  //            ident = scanner.getCurrentIdentifierSource();
-  //            //substring(1) added because PHPVarDeclaration doesn't
-  //            // need the $ anymore
-  //            String variableName = new String(ident).substring(1);
-  //            outlineInfo.addVariable(variableName);
-  //            getNextToken();
-  //            if (token != TokenNameSEMICOLON) {
-  //              getNextToken();
-  //              ident = scanner.getCurrentTokenSource();
-  //              if (token > TokenNameKEYWORD) {
-  //                current.add(new PHPVarDeclaration(current, variableName,
-  //                // chIndx - ident.length,
-  //                    scanner.getCurrentTokenStartPosition(), new String(ident)));
-  //              } else {
-  //                switch (token) {
-  //                  case TokenNameVariable :
-  //                  case TokenNamethis :
-  //                    current.add(new PHPVarDeclaration(current, variableName,
-  //                    // chIndx -
-  //                        // ident.length,
-  //                        scanner.getCurrentTokenStartPosition(), new String(
-  //                            ident)));
-  //                    break;
-  //                  case TokenNameIdentifier :
-  //                    current.add(new PHPVarDeclaration(current, variableName,
-  //                    // chIndx -
-  //                        // ident.length,
-  //                        scanner.getCurrentTokenStartPosition(), new String(
-  //                            ident)));
-  //                    break;
-  //                  case TokenNameDoubleLiteral :
-  //                    current.add(new PHPVarDeclaration(current, variableName
-  //                        + doubleNumber,
-  //                    // chIndx -
-  //                        // ident.length,
-  //                        scanner.getCurrentTokenStartPosition(), new String(
-  //                            ident)));
-  //                    break;
-  //                  case TokenNameIntegerLiteral :
-  //                    current.add(new PHPVarDeclaration(current, variableName,
-  //                    // chIndx -
-  //                        // ident.length,
-  //                        scanner.getCurrentTokenStartPosition(), new String(
-  //                            ident)));
-  //                    break;
-  //                  case TokenNameStringInterpolated :
-  //                  case TokenNameStringLiteral :
-  //                    current.add(new PHPVarDeclaration(current, variableName,
-  //                    // chIndx -
-  //                        // ident.length,
-  //                        scanner.getCurrentTokenStartPosition(), new String(
-  //                            ident)));
-  //                    break;
-  //                  case TokenNameStringConstant :
-  //                    current.add(new PHPVarDeclaration(current, variableName,
-  //                    // chIndx -
-  //                        // ident.length,
-  //                        scanner.getCurrentTokenStartPosition(), new String(
-  //                            ident)));
-  //                    break;
-  //                  default :
-  //                    current.add(new PHPVarDeclaration(current, variableName,
-  //                    // chIndx -
-  //                        // ident.length
-  //                        scanner.getCurrentTokenStartPosition()));
-  //                    break;
-  //                }
-  //              }
-  //            } else {
-  //              ident = scanner.getCurrentIdentifierSource();
-  //              current.add(new PHPVarDeclaration(current, variableName,
-  //              // chIndx - ident.length
-  //                  scanner.getCurrentTokenStartPosition()));
-  //            }
-  //          }
-  //        } else if (token == TokenNamefunction) {
-  //          getNextToken();
-  //          if (token == TokenNameAND) {
-  //            getNextToken();
-  //          }
-  //          if (token == TokenNameIdentifier
-  //              && store.getBoolean(PHPeclipsePlugin.PHP_OUTLINE_FUNC)) {
-  //            ident = scanner.getCurrentIdentifierSource();
-  //            outlineInfo.addVariable(new String(ident));
-  //            temp = new PHPFunctionDeclaration(current, new String(ident),
-  //            // chIndx - ident.length
-  //                scanner.getCurrentTokenStartPosition());
-  //            current.add(temp);
-  //            getNextToken();
-  //            parseDeclarations(outlineInfo, temp, true);
-  //          }
-  //        } else if (token == TokenNameclass) {
-  //          getNextToken();
-  //          if (token == TokenNameIdentifier
-  //              && store.getBoolean(PHPeclipsePlugin.PHP_OUTLINE_CLASS)) {
-  //            ident = scanner.getCurrentIdentifierSource();
-  //            outlineInfo.addVariable(new String(ident));
-  //            temp = new PHPClassDeclaration(current, new String(ident),
-  //            // chIndx - ident.len
-  //                scanner.getCurrentTokenStartPosition());
-  //            current.add(temp);
-  //            // stack.push(temp);
-  //            getNextToken();
-  //            //skip tokens for classname, extends and others until
-  //            // we have the opening '{'
-  //            while (token != TokenNameLBRACE && token != TokenNameEOF
-  //                && token != TokenNameERROR) {
-  //              getNextToken();
-  //            }
-  //            parseDeclarations(outlineInfo, temp, true);
-  //            // stack.pop();
-  //          }
-  //        } else if ((token == TokenNameLBRACE)
-  //            || (token == TokenNameDOLLAR_LBRACE)) {
-  //          getNextToken();
-  //          counter++;
-  //        } else if (token == TokenNameRBRACE) {
-  //          getNextToken();
-  //          --counter;
-  //          if (counter == 0 && goBack) {
-  //            return;
-  //          }
-  //        } else if (token == TokenNamerequire || token == TokenNamerequire_once
-  //            || token == TokenNameinclude || token == TokenNameinclude_once) {
-  //          ident = scanner.getCurrentTokenSource();
-  //          getNextToken();
-  //          int startPosition = scanner.getCurrentTokenStartPosition();
-  //          expr();
-  //          char[] expr = scanner.getCurrentTokenSource(startPosition);
-  //          outlineInfo.addVariable(new String(ident));
-  //          current.add(new PHPReqIncDeclaration(current, new String(ident),
-  //          // chIndx - ident.length,
-  //              startPosition, new String(expr)));
-  //          getNextToken();
-  //        } else {
-  //          getNextToken();
-  //        }
-  //      }
-  //    } catch (SyntaxError sytaxErr) {
-  //      // try {
-  //      // // setMarker(sytaxErr.getMessage(), sytaxErr.getLine(), ERROR);
-  //      // setMarker(sytaxErr.getMessage(),
-  //      // scanner.getCurrentTokenStartPosition(),
-  //      // scanner.getCurrentTokenEndPosition(), ERROR);
-  //      // } catch (CoreException e) {
-  //      // }
-  //    }
-  //  }
-  private void statementList() {
-    do {
-      statement(TokenNameEOF);
-      if ((token == TokenNameRBRACE) || (token == TokenNamecase)
-          || (token == TokenNamedefault) || (token == TokenNameelse)
-          || (token == TokenNameelseif) || (token == TokenNameendif)
-          || (token == TokenNameendfor) || (token == TokenNameendforeach)
-          || (token == TokenNameendwhile) || (token == TokenNameendswitch)
-          || (token == TokenNameEOF) || (token == TokenNameERROR)) {
-        return;
-      }
-    } while (true);
-  }
-  private void functionBody(MethodDeclaration methodDecl) {
-    // '{' [statement-list] '}'
-    if (token == TokenNameLBRACE) {
-      getNextToken();
-    } else {
-      throwSyntaxError("'{' expected in compound-statement.");
-    }
-    if (token != TokenNameRBRACE) {
-      statementList();
-    }
-    if (token == TokenNameRBRACE) {
-      methodDecl.declarationSourceEnd = scanner.getCurrentTokenEndPosition();
-      getNextToken();
-    } else {
-      throwSyntaxError("'}' expected in compound-statement.");
-    }
-  }
-  private void statement(int previousToken) {
-    //   if (token > TokenNameKEYWORD && token != TokenNamelist && token !=
-    // TokenNamenew) {
-    //  char[] ident = scanner.getCurrentIdentifierSource();
-    //  String keyword = new String(ident);
-    if (token == TokenNameAT) {
-      getNextToken();
-      if (token != TokenNamerequire && token != TokenNamerequire_once
-          && token != TokenNameinclude && token != TokenNameinclude_once
-          && token != TokenNameIdentifier && token != TokenNameVariable
-          && token != TokenNamethis && token != TokenNameStringInterpolated) {
-        throwSyntaxError("identifier expected after '@'.");
-      }
-    }
-    if (token == TokenNameinclude || token == TokenNameinclude_once) {
-      getNextToken();
-      if (token == TokenNameLPAREN) {
-        expr();
-        if (token == TokenNameSEMICOLON) {
-          getNextToken();
-        } else {
-          if (previousToken != TokenNameAT && token != TokenNameStopPHP) {
-            throwSyntaxError("';' expected after 'include' or 'include_once'.");
-          }
-          //        getNextToken();
-        }
-      } else {
-        concatenationExpression();
-      }
-      return;
-    } else if (token == TokenNamerequire || token == TokenNamerequire_once) {
-      getNextToken();
-      //constant();
-      if (token == TokenNameLPAREN) {
-        expr();
-        if (token == TokenNameSEMICOLON) {
-          getNextToken();
-        } else {
-          if (previousToken != TokenNameAT && token != TokenNameStopPHP) {
-            throwSyntaxError("';' expected after 'require' or 'require_once'.");
-          }
-          //        getNextToken();
-        }
-      } else {
-        concatenationExpression();
-      }
-      return;
-    } else if (token == TokenNameif) {
-      getNextToken();
-      if (token == TokenNameLPAREN) {
-        getNextToken();
-      } else {
-        throwSyntaxError("'(' expected after 'if' keyword.");
-      }
-      expr();
-      if (token == TokenNameRPAREN) {
-        getNextToken();
-      } else {
-        throwSyntaxError("')' expected after 'if' condition.");
-      }
-      ifStatement();
-      return;
-    } else if (token == TokenNameswitch) {
-      getNextToken();
-      if (token == TokenNameLPAREN) {
-        getNextToken();
-      } else {
-        throwSyntaxError("'(' expected after 'switch' keyword.");
-      }
-      expr();
-      if (token == TokenNameRPAREN) {
-        getNextToken();
-      } else {
-        throwSyntaxError("')' expected after 'switch' condition.");
-      }
-      switchStatement();
-      return;
-    } else if (token == TokenNamefor) {
-      getNextToken();
-      if (token == TokenNameLPAREN) {
-        getNextToken();
-      } else {
-        throwSyntaxError("'(' expected after 'for' keyword.");
-      }
-      if (token == TokenNameSEMICOLON) {
-        getNextToken();
-      } else {
-        expressionList();
-        if (token == TokenNameSEMICOLON) {
-          getNextToken();
-        } else {
-          throwSyntaxError("';' expected after 'for'.");
-        }
-      }
-      if (token == TokenNameSEMICOLON) {
-        getNextToken();
-      } else {
-        expressionList();
-        if (token == TokenNameSEMICOLON) {
-          getNextToken();
-        } else {
-          throwSyntaxError("';' expected after 'for'.");
-        }
-      }
-      if (token == TokenNameRPAREN) {
-        getNextToken();
-      } else {
-        expressionList();
-        if (token == TokenNameRPAREN) {
-          getNextToken();
-        } else {
-          throwSyntaxError("')' expected after 'for'.");
-        }
-      }
-      forStatement();
-      return;
-    } else if (token == TokenNamewhile) {
-      getNextToken();
-      if (token == TokenNameLPAREN) {
-        getNextToken();
-      } else {
-        throwSyntaxError("'(' expected after 'while' keyword.");
-      }
-      expr();
-      if (token == TokenNameRPAREN) {
-        getNextToken();
-      } else {
-        throwSyntaxError("')' expected after 'while' condition.");
-      }
-      whileStatement();
-      return;
-    } else if (token == TokenNamedo) {
-      getNextToken();
-      if (token == TokenNameLBRACE) {
-        getNextToken();
-      } else {
-        throwSyntaxError("'{' expected after 'do' keyword.");
-      }
-      if (token != TokenNameRBRACE) {
-        statementList();
-      }
-      if (token == TokenNameRBRACE) {
-        getNextToken();
-      } else {
-        throwSyntaxError("'}' expected after 'do' keyword.");
-      }
-      if (token == TokenNamewhile) {
-        getNextToken();
-        if (token == TokenNameLPAREN) {
-          getNextToken();
-        } else {
-          throwSyntaxError("'(' expected after 'while' keyword.");
-        }
-        expr();
-        if (token == TokenNameRPAREN) {
-          getNextToken();
-        } else {
-          throwSyntaxError("')' expected after 'while' condition.");
-        }
-      } else {
-        throwSyntaxError("'while' expected after 'do' keyword.");
-      }
-      if (token == TokenNameSEMICOLON) {
-        getNextToken();
-      } else {
-        if (token != TokenNameStopPHP) {
-          throwSyntaxError("';' expected after do-while statement.");
-        }
-        getNextToken();
-      }
-      return;
-    } else if (token == TokenNameforeach) {
-      getNextToken();
-      if (token == TokenNameLPAREN) {
-        getNextToken();
-      } else {
-        throwSyntaxError("'(' expected after 'foreach' keyword.");
-      }
-      expr();
-      if (token == TokenNameas) {
-        getNextToken();
-      } else {
-        throwSyntaxError("'as' expected after 'foreach' exxpression.");
-      }
-      variable();
-      if (token == TokenNameEQUAL_GREATER) {
-        getNextToken();
-        variable();
-      }
-      if (token == TokenNameRPAREN) {
-        getNextToken();
-      } else {
-        throwSyntaxError("')' expected after 'foreach' expression.");
-      }
-      foreachStatement();
-      return;
-    } else if (token == TokenNamecontinue || token == TokenNamebreak
-        || token == TokenNamereturn) {
-      getNextToken();
-      if (token != TokenNameSEMICOLON) {
-        expr();
-      }
-      if (token == TokenNameSEMICOLON) {
-        getNextToken();
-      } else {
-        if (token != TokenNameStopPHP) {
-          throwSyntaxError("';' expected after 'continue', 'break' or 'return'.");
-        }
-        getNextToken();
-      }
-      return;
-    } else if (token == TokenNameecho) {
-      getNextToken();
-      expressionList();
-      if (token == TokenNameSEMICOLON) {
-        getNextToken();
-      } else {
-        if (token != TokenNameStopPHP) {
-          throwSyntaxError("';' expected after 'echo' statement.");
-        }
-        getNextToken();
-      }
-      return;
-      //    } else if (token == TokenNameprint) {
-      //      getNextToken();
-      //      expression();
-      //      if (token == TokenNameSEMICOLON) {
-      //        getNextToken();
-      //      } else {
-      //        if (token != TokenNameStopPHP) {
-      //          throwSyntaxError("';' expected after 'print' statement.");
-      //        }
-      //        getNextToken();
-      //      }
-      //      return;
-    } else if (token == TokenNameglobal || token == TokenNamestatic) {
-      getNextToken();
-      variableList();
-      if (token == TokenNameSEMICOLON) {
-        getNextToken();
-      } else {
-        if (token != TokenNameStopPHP) {
-          throwSyntaxError("';' expected after 'global' or 'static' statement.");
-        }
-        getNextToken();
-      }
-      return;
-    } else if (token == TokenNameunset) {
-      getNextToken();
-      if (token == TokenNameLPAREN) {
-        getNextToken();
-      } else {
-        throwSyntaxError("'(' expected after 'unset' statement.");
-      }
-      unset_variables();
-      if (token == TokenNameRPAREN) {
-        getNextToken();
-      } else {
-        throwSyntaxError("')' expected after 'unset' statement.");
-      }
-      if (token == TokenNameSEMICOLON) {
-        getNextToken();
-      } else {
-        if (token != TokenNameStopPHP) {
-          throwSyntaxError("';' expected after 'unset' statement.");
-        }
-        getNextToken();
-      }
-      return;
-      //      } else if (token == TokenNameexit || token == TokenNamedie) {
-      //        getNextToken();
-      //        if (token != TokenNameSEMICOLON) {
-      //          exitStatus();
-      //        }
-      //        if (token == TokenNameSEMICOLON) {
-      //          getNextToken();
-      //        } else {
-      //          if (token != TokenNameStopPHP) {
-      //            throwSyntaxError("';' expected after 'exit' or 'die'
-      // statement.");
-      //          }
-      //          getNextToken();
-      //        }
-      //        return;
-    } else if (token == TokenNamedefine) {
-      getNextToken();
-      if (token == TokenNameLPAREN) {
-        getNextToken();
-      } else {
-        throwSyntaxError("'(' expected after 'define' keyword.");
-      }
-      expr();
-      if (token == TokenNameCOMMA) {
-        getNextToken();
-      } else {
-        throwSyntaxError("',' expected after first 'define' constant.");
-      }
-      expr();
-      if (token == TokenNameCOMMA) {
-        getNextToken();
-        expr();
-      }
-      if (token == TokenNameRPAREN) {
-        getNextToken();
-      } else {
-        throwSyntaxError("')' expected after 'define' statement.");
-      }
-      if (token == TokenNameSEMICOLON) {
-        getNextToken();
-      } else {
-        if (token != TokenNameStopPHP) {
-          throwSyntaxError("';' expected after 'define' statement.");
-        }
-        getNextToken();
-      }
-      return;
-    } else if (token == TokenNamefunction) {
-      MethodDeclaration methodDecl = new MethodDeclaration(
-          this.compilationUnit.compilationResult);
-      methodDecl.declarationSourceStart = scanner
-          .getCurrentTokenStartPosition();
-      getNextToken();
-      functionDefinition(methodDecl);
-      return;
-    } else if (token == TokenNamefinal || token == TokenNameabstract
-        || token == TokenNameclass || token == TokenNameinterface) {
-      TypeDeclaration typeDecl = new TypeDeclaration(
-          this.compilationUnit.compilationResult);
-      typeDecl.declarationSourceStart = scanner.getCurrentTokenStartPosition();
-      // default super class
-      typeDecl.superclass = new SingleTypeReference(TypeConstants.OBJECT, 0);
-      compilationUnit.types.add(typeDecl);
-      try {
-        pushOnAstStack(typeDecl);
-        unticked_class_declaration_statement(typeDecl);
-        //        classBody(typeDecl);
-      } finally {
-        astPtr--;
-        astLengthPtr--;
-      }
-      return;
-      //      } else {
-      //        throwSyntaxError("Unexpected keyword '" + keyword + "'");
-    } else if (token == TokenNameLBRACE) {
-      getNextToken();
-      if (token != TokenNameRBRACE) {
-        statementList();
-      }
-      if (token == TokenNameRBRACE) {
-        getNextToken();
-        return;
-      } else {
-        throwSyntaxError("'}' expected.");
-      }
-    } else {
-      if (token != TokenNameSEMICOLON) {
-        expr();
-      }
-      if (token == TokenNameSEMICOLON) {
-        getNextToken();
-        return;
-      } else {
-        if (token != TokenNameStopPHP && token != TokenNameEOF) {
-          throwSyntaxError("';' expected after expression (Found token: "
-              + scanner.toStringAction(token) + ")");
-        }
-        getNextToken();
-      }
-    }
-  }
-  private void unset_variables() {
-    //    unset_variables:
-    //                 unset_variable
-    //         | unset_variables ',' unset_variable
-    //    unset_variable:
-    //                 variable
-    while (true) {
-      variable();
-      if (token != TokenNameCOMMA) {
-        break;
-      }
-      getNextToken();
-    }
-  }
-  private final void initializeModifiers() {
-    this.modifiers = 0;
-    this.modifiersSourceStart = -1;
-  }
-  private final void checkAndSetModifiers(int flag) {
-    this.modifiers |= flag;
-    if (this.modifiersSourceStart < 0)
-      this.modifiersSourceStart = this.scanner.startPosition;
-  }
-  private void unticked_class_declaration_statement(TypeDeclaration typeDecl) {
-    initializeModifiers();
-    if (token == TokenNameinterface) {
-      //      interface_entry T_STRING
-      //               interface_extends_list
-      //               '{' class_statement_list '}'
-      checkAndSetModifiers(AccInterface);
-      getNextToken();
-      typeDecl.modifiers = this.modifiers;
-      if (token == TokenNameIdentifier || token > TokenNameKEYWORD) {
-        typeDecl.sourceStart = scanner.getCurrentTokenStartPosition();
-        typeDecl.sourceEnd = scanner.getCurrentTokenEndPosition();
-        typeDecl.name = scanner.getCurrentIdentifierSource();
-        if (token > TokenNameKEYWORD) {
-          throwSyntaxError("Don't use a keyword for interface declaration ["
-              + scanner.toStringAction(token) + "].", typeDecl.sourceStart,
-              typeDecl.sourceEnd);
-        }
-        getNextToken();
-        interface_extends_list();
-      } else {
-        typeDecl.sourceStart = scanner.getCurrentTokenStartPosition();
-        typeDecl.sourceEnd = scanner.getCurrentTokenEndPosition();
-        typeDecl.name = new char[]{' '};
-        throwSyntaxError("Interface name expected after keyword 'interface'.",
-            typeDecl.sourceStart, typeDecl.sourceEnd);
-        return;
-      }
-    } else {
-      //      class_entry_type T_STRING extends_from
-      //               implements_list
-      //               '{' class_statement_list'}'
-      class_entry_type();
-      typeDecl.modifiers = this.modifiers;
-      //identifier
-      //identifier 'extends' identifier
-      if (token == TokenNameIdentifier || token > TokenNameKEYWORD) {
-        typeDecl.sourceStart = scanner.getCurrentTokenStartPosition();
-        typeDecl.sourceEnd = scanner.getCurrentTokenEndPosition();
-        typeDecl.name = scanner.getCurrentIdentifierSource();
-        if (token > TokenNameKEYWORD) {
-          throwSyntaxError("Don't use a keyword for class declaration ["
-              + scanner.toStringAction(token) + "].", typeDecl.sourceStart,
-              typeDecl.sourceEnd);
-        }
-        getNextToken();
-        //    extends_from:
-        //             /* empty */
-        //     | T_EXTENDS fully_qualified_class_name
-        if (token == TokenNameextends) {
-          getNextToken();
-          if (token == TokenNameIdentifier) {
-            getNextToken();
-          } else {
-            throwSyntaxError("Class name expected after keyword 'extends'.",
-                scanner.getCurrentTokenStartPosition(), scanner
-                    .getCurrentTokenEndPosition());
-          }
-        }
-        implements_list();
-      } else {
-        typeDecl.sourceStart = scanner.getCurrentTokenStartPosition();
-        typeDecl.sourceEnd = scanner.getCurrentTokenEndPosition();
-        typeDecl.name = new char[]{' '};
-        throwSyntaxError("Class name expected after keyword 'class'.",
-            typeDecl.sourceStart, typeDecl.sourceEnd);
-        return;
-      }
-    }
-    //  '{' class_statement_list '}'
-    if (token == TokenNameLBRACE) {
-      getNextToken();
-      if (token != TokenNameRBRACE) {
-        class_statement_list();
-      }
-      if (token == TokenNameRBRACE) {
-        typeDecl.declarationSourceEnd = scanner.getCurrentTokenEndPosition();
-        getNextToken();
-      } else {
-        throwSyntaxError("'}' expected at end of interface body.");
-      }
-    } else {
-      throwSyntaxError("'{' expected at start of interface body.");
-    }
-  }
-  private void class_entry_type() {
-    // T_CLASS
-    // | T_ABSTRACT T_CLASS
-    // | T_FINAL T_CLASS
-    if (token == TokenNameclass) {
-      getNextToken();
-    } else if (token == TokenNameabstract) {
-      checkAndSetModifiers(AccAbstract);
-      getNextToken();
-      if (token != TokenNameclass) {
-        throwSyntaxError("Keyword 'class' expected after keyword 'abstract'.");
-      }
-      getNextToken();
-    } else if (token == TokenNamefinal) {
-      checkAndSetModifiers(AccFinal);
-      if (token != TokenNameclass) {
-        throwSyntaxError("Keyword 'class' expected after keyword 'final'.");
-      }
-      getNextToken();
-    } else {
-        throwSyntaxError("Keyword 'class' 'final' or 'abstract' expected");
-    }
-  }
-  private void interface_extends_list() {
-    // /* empty */
-    // | T_EXTENDS interface_list
-    if (token == TokenNameextends) {
-      getNextToken();
-      interface_list();
-    }
-  }
-  private void implements_list() {
-    // /* empty */
-    // | T_IMPLEMENTS interface_list
-    if (token == TokenNameimplements) {
-      getNextToken();
-      interface_list();
-    }
-  }
-  private void interface_list() {
-    //  interface_list:
-    // fully_qualified_class_name
-    //| interface_list ',' fully_qualified_class_name
-    do {
-      if (token == TokenNameIdentifier) {
-        getNextToken();
-      } else {
-        throwSyntaxError("Interface name expected after keyword 'implements'.");
-      }
-      if (token != TokenNameCOMMA) {
-        return;
-      }
-      getNextToken();
-    } while (true);
-  }
-  //  private void classBody(TypeDeclaration typeDecl) {
-  //    //'{' [class-element-list] '}'
-  //    if (token == TokenNameLBRACE) {
-  //      getNextToken();
-  //      if (token != TokenNameRBRACE) {
-  //        class_statement_list();
-  //      }
-  //      if (token == TokenNameRBRACE) {
-  //        typeDecl.declarationSourceEnd = scanner.getCurrentTokenEndPosition();
-  //        getNextToken();
-  //      } else {
-  //        throwSyntaxError("'}' expected at end of class body.");
-  //      }
-  //    } else {
-  //      throwSyntaxError("'{' expected at start of class body.");
-  //    }
-  //  }
-  private void class_statement_list() {
-    do {
-      class_statement();
-    } while (token == TokenNamefunction || token == TokenNamevar);
-  }
-  private void class_statement() {
-    //    class_statement:
-    //         variable_modifiers class_variable_declaration ';'
-    // | class_constant_declaration ';'
-    // | method_modifiers T_FUNCTION is_reference T_STRING
-    //    '(' parameter_list ')' method_body
-    initializeModifiers();
-    if (token == TokenNamevar) {
-      checkAndSetModifiers(AccPublic);
-      reportSyntaxError(
-          "Keyword 'var' is deprecated. Please use 'public' 'private' or 'protected' modifier for field declarations.",
-          scanner.getCurrentTokenStartPosition(), scanner
-              .getCurrentTokenEndPosition());
-      getNextToken();
-      classProperty();
-    } else {
-      boolean hasModifiers = member_modifiers();
-      if (token == TokenNamefunction) {
-        if (!hasModifiers) {
-          checkAndSetModifiers(AccPublic);
-        }
-        MethodDeclaration methodDecl = new MethodDeclaration(
-            this.compilationUnit.compilationResult);
-        methodDecl.declarationSourceStart = scanner
-            .getCurrentTokenStartPosition();
-        methodDecl.modifiers = this.modifiers;
-        getNextToken();
-        functionDefinition(methodDecl);
-      } else {
-        if (!hasModifiers) {
-          throwSyntaxError("'public' 'private' or 'protected' modifier expected for field declarations.");
-        }
-        classProperty();
-      }
-    }
-    //    if (token == TokenNamefunction) {
-    //      MethodDeclaration methodDecl = new MethodDeclaration(
-    //          this.compilationUnit.compilationResult);
-    //      methodDecl.declarationSourceStart = scanner
-    //          .getCurrentTokenStartPosition();
-    //      getNextToken();
-    //      functionDefinition(methodDecl);
-    //    } else if (token == TokenNamevar) {
-    //      getNextToken();
-    //      classProperty();
-    //    } else {
-    //      throwSyntaxError("'function' or 'var' expected.");
-    //    }
-  }
-  //  private void variable_modifiers() {
-  //    // variable_modifiers:
-  //    // non_empty_member_modifiers
-  //    //| T_VAR
-  //    initializeModifiers();
-  //    if (token == TokenNamevar) {
-  //      checkAndSetModifiers(AccPublic);
-  //      reportSyntaxError(
-  //          "Keyword 'var' is deprecated. Please use 'public' 'private' or 'protected'
-  // modifier for field declarations.",
-  //          scanner.getCurrentTokenStartPosition(), scanner
-  //              .getCurrentTokenEndPosition());
-  //      getNextToken();
-  //    } else {
-  //      if (!member_modifiers()) {
-  //        throwSyntaxError("'public' 'private' or 'protected' modifier expected for
-  // field declarations.");
-  //      }
-  //    }
-  //  }
-  //  private void method_modifiers() {
-  //    //method_modifiers:
-  //    // /* empty */
-  //    //| non_empty_member_modifiers
-  //    initializeModifiers();
-  //    if (!member_modifiers()) {
-  //      checkAndSetModifiers(AccPublic);
-  //    }
-  //  }
-  private boolean member_modifiers() {
-    // T_PUBLIC
-    //| T_PROTECTED
-    //| T_PRIVATE
-    //| T_STATIC
-    //| T_ABSTRACT
-    //| T_FINAL
-    boolean foundToken = false;
-    while (true) {
-      if (token == TokenNamepublic) {
-        checkAndSetModifiers(AccPublic);
-        getNextToken();
-        foundToken = true;
-      } else if (token == TokenNameprotected) {
-        checkAndSetModifiers(AccProtected);
-        getNextToken();
-        foundToken = true;
-      } else if (token == TokenNameprivate) {
-        checkAndSetModifiers(AccPrivate);
-        getNextToken();
-        foundToken = true;
-      } else if (token == TokenNamestatic) {
-        checkAndSetModifiers(AccStatic);
-        getNextToken();
-        foundToken = true;
-      } else if (token == TokenNameabstract) {
-        checkAndSetModifiers(AccAbstract);
-        getNextToken();
-        foundToken = true;
-      } else if (token == TokenNamefinal) {
-        checkAndSetModifiers(AccFinal);
-        getNextToken();
-        foundToken = true;
-      } else {
-        break;
-      }
-    }
-    return foundToken;
-  }
-  private void classProperty() {
-    //'var' variable ';'
-    //'var' variable '=' constant ';'
-    do {
-      if (token == TokenNameVariable) {
-        getNextToken();
-        if (token == TokenNameEQUAL) {
-          getNextToken();
-          constant();
-        }
-      } else {
-        if (token == TokenNamethis) {
-          throwSyntaxError("Reserved word '$this' not allowed after keyword 'var'.");
-        }
-        throwSyntaxError("Variable expected after keyword 'var'.");
-      }
-      if (token != TokenNameCOMMA) {
-        break;
-      }
-      getNextToken();
-    } while (true);
-    if (token == TokenNameSEMICOLON) {
-      getNextToken();
-    } else {
-      throwSyntaxError("';' expected after variable declaration.");
-    }
-  }
-  private void functionDefinition(MethodDeclaration methodDecl) {
-    if (astPtr == 0) {
-      compilationUnit.types.add(methodDecl);
-    } else {
-      AstNode node = astStack[astPtr];
-      if (node instanceof TypeDeclaration) {
-        TypeDeclaration typeDecl = ((TypeDeclaration) node);
-        if (typeDecl.methods == null) {
-          typeDecl.methods = new AbstractMethodDeclaration[]{methodDecl};
-        } else {
-          AbstractMethodDeclaration[] newMethods;
-          System
-              .arraycopy(
-                  typeDecl.methods,
-                  0,
-                  newMethods = new AbstractMethodDeclaration[typeDecl.methods.length + 1],
-                  1, typeDecl.methods.length);
-          newMethods[0] = methodDecl;
-          typeDecl.methods = newMethods;
-        }
-      }
-    }
-    functionDeclarator(methodDecl);
-    functionBody(methodDecl);
-  }
-  private void functionDeclarator(MethodDeclaration methodDecl) {
-    //identifier '(' [parameter-list] ')'
-    if (token == TokenNameAND) {
-      getNextToken();
-    }
-    if (token == TokenNameIdentifier) {
-      methodDecl.sourceStart = scanner.getCurrentTokenStartPosition();
-      methodDecl.sourceEnd = scanner.getCurrentTokenEndPosition();
-      methodDecl.selector = scanner.getCurrentIdentifierSource();
-      getNextToken();
-      if (token == TokenNameLPAREN) {
-        getNextToken();
-      } else {
-        throwSyntaxError("'(' expected in function declaration.");
-      }
-      if (token != TokenNameRPAREN) {
-        parameterList();
-      }
-      if (token != TokenNameRPAREN) {
-        throwSyntaxError("')' expected in function declaration.");
-      } else {
-        methodDecl.bodyStart = scanner.getCurrentTokenEndPosition() + 1;
-        getNextToken();
-      }
-    } else {
-      if (token > TokenNameKEYWORD) {
-        throwSyntaxError("Don't use keyword for function declaration [" + token
-            + "].");
-      }
-      throwSyntaxError("Function name expected after keyword 'function'.");
-    }
-  }
-  //
-  private void parameterList() {
-    //parameter-declaration
-    //parameter-list ',' parameter-declaration
-    do {
-      parameterDeclaration();
-      if (token != TokenNameCOMMA) {
-        break;
-      }
-      getNextToken();
-    } while (true);
-  }
-  private void parameterDeclaration() {
-    //variable
-    //variable-reference
-    if (token == TokenNameAND) {
-      getNextToken();
-      if (isVariable()) {
-        getNextToken();
-      } else {
-        throwSyntaxError("Variable expected after reference operator '&'.");
-      }
-    }
-    //variable '=' constant
-    if (token == TokenNameVariable) {
-      getNextToken();
-      if (token == TokenNameEQUAL) {
-        getNextToken();
-        constant();
-      }
-      return;
-    }
-    if (token == TokenNamethis) {
-      throwSyntaxError("Reserved word '$this' not allowed in parameter declaration.");
-    }
-  }
-  private void labeledStatementList() {
-    if (token != TokenNamecase && token != TokenNamedefault) {
-      throwSyntaxError("'case' or 'default' expected.");
-    }
-    do {
-      if (token == TokenNamecase) {
-        getNextToken();
-        expr(); //constant();
-        if (token == TokenNameCOLON || token == TokenNameSEMICOLON) {
-          getNextToken();
-          if (token == TokenNamecase || token == TokenNamedefault) { // empty
-            // case
-            // statement
-            // ?
-            continue;
-          }
-          statementList();
-        }
-        //        else if (token == TokenNameSEMICOLON) {
-        //          setMarker(
-        //            "':' expected after 'case' keyword (Found token: " +
-        // scanner.toStringAction(token) + ")",
-        //            scanner.getCurrentTokenStartPosition(),
-        //            scanner.getCurrentTokenEndPosition(),
-        //            INFO);
-        //          getNextToken();
-        //          if (token == TokenNamecase) { // empty case statement ?
-        //            continue;
-        //          }
-        //          statementList();
-        //        }
-        else {
-          throwSyntaxError("':' character after 'case' constant expected (Found token: "
-              + scanner.toStringAction(token) + ")");
-        }
-      } else { // TokenNamedefault
-        getNextToken();
-        if (token == TokenNameCOLON) {
-          getNextToken();
-          statementList();
-        } else {
-          throwSyntaxError("':' character after 'default' expected.");
-        }
-      }
-    } while (token == TokenNamecase || token == TokenNamedefault);
-  }
-  //  public void labeledStatement() {
-  //    if (token == TokenNamecase) {
-  //      getNextToken();
-  //      constant();
-  //      if (token == TokenNameDDOT) {
-  //        getNextToken();
-  //        statement();
-  //      } else {
-  //        throwSyntaxError("':' character after 'case' constant expected.");
-  //      }
-  //      return;
-  //    } else if (token == TokenNamedefault) {
-  //      getNextToken();
-  //      if (token == TokenNameDDOT) {
-  //        getNextToken();
-  //        statement();
-  //      } else {
-  //        throwSyntaxError("':' character after 'default' expected.");
-  //      }
-  //      return;
-  //    }
-  //  }
-  //  public void expressionStatement() {
-  //  }
-  //  private void inclusionStatement() {
-  //  }
-  //  public void compoundStatement() {
-  //  }
-  //  public void selectionStatement() {
-  //  }
-  //
-  //  public void iterationStatement() {
-  //  }
-  //
-  //  public void jumpStatement() {
-  //  }
-  //
-  //  public void outputStatement() {
-  //  }
-  //
-  //  public void scopeStatement() {
-  //  }
-  //
-  //  public void flowStatement() {
-  //  }
-  //
-  //  public void definitionStatement() {
-  //  }
-  private void ifStatement() {
-    // ':' statement-list [elseif-list] [else-colon-statement] 'endif' ';'
-    if (token == TokenNameCOLON) {
-      getNextToken();
-      if (token != TokenNameendif) {
-        statementList();
-        switch (token) {
-          case TokenNameelse :
-            getNextToken();
-            if (token == TokenNameCOLON) {
-              getNextToken();
-              if (token != TokenNameendif) {
-                statementList();
-              }
-            } else {
-              if (token == TokenNameif) { //'else if'
-                getNextToken();
-                elseifStatementList();
-              } else {
-                throwSyntaxError("':' expected after 'else'.");
-              }
-            }
-            break;
-          case TokenNameelseif :
-            getNextToken();
-            elseifStatementList();
-            break;
-        }
-      }
-      if (token != TokenNameendif) {
-        throwSyntaxError("'endif' expected.");
-      }
-      getNextToken();
-      if (token != TokenNameSEMICOLON) {
-        throwSyntaxError("';' expected after if-statement.");
-      }
-      getNextToken();
-    } else {
-      // statement [else-statement]
-      statement(TokenNameEOF);
-      if (token == TokenNameelseif) {
-        getNextToken();
-        if (token == TokenNameLPAREN) {
-          getNextToken();
-        } else {
-          throwSyntaxError("'(' expected after 'elseif' keyword.");
-        }
-        expr();
-        if (token == TokenNameRPAREN) {
-          getNextToken();
-        } else {
-          throwSyntaxError("')' expected after 'elseif' condition.");
-        }
-        ifStatement();
-      } else if (token == TokenNameelse) {
-        getNextToken();
-        statement(TokenNameEOF);
-      }
-    }
-  }
-  private void elseifStatementList() {
-    do {
-      elseifStatement();
-      switch (token) {
-        case TokenNameelse :
-          getNextToken();
-          if (token == TokenNameCOLON) {
-            getNextToken();
-            if (token != TokenNameendif) {
-              statementList();
-            }
-            return;
-          } else {
-            if (token == TokenNameif) { //'else if'
-              getNextToken();
-            } else {
-              throwSyntaxError("':' expected after 'else'.");
-            }
-          }
-          break;
-        case TokenNameelseif :
-          getNextToken();
-          break;
-        default :
-          return;
-      }
-    } while (true);
-  }
-  private void elseifStatement() {
-    if (token == TokenNameLPAREN) {
-      getNextToken();
-      expr();
-      if (token != TokenNameRPAREN) {
-        throwSyntaxError("')' expected in else-if-statement.");
-      }
-      getNextToken();
-      if (token != TokenNameCOLON) {
-        throwSyntaxError("':' expected in else-if-statement.");
-      }
-      getNextToken();
-      if (token != TokenNameendif) {
-        statementList();
-      }
-    }
-  }
-  private void switchStatement() {
-    if (token == TokenNameCOLON) {
-      // ':' [labeled-statement-list] 'endswitch' ';'
-      getNextToken();
-      labeledStatementList();
-      if (token != TokenNameendswitch) {
-        throwSyntaxError("'endswitch' expected.");
-      }
-      getNextToken();
-      if (token != TokenNameSEMICOLON) {
-        throwSyntaxError("';' expected after switch-statement.");
-      }
-      getNextToken();
-    } else {
-      // '{' [labeled-statement-list] '}'
-      if (token != TokenNameLBRACE) {
-        throwSyntaxError("'{' expected in switch statement.");
-      }
-      getNextToken();
-      if (token != TokenNameRBRACE) {
-        labeledStatementList();
-      }
-      if (token != TokenNameRBRACE) {
-        throwSyntaxError("'}' expected in switch statement.");
-      }
-      getNextToken();
-    }
-  }
-  private void forStatement() {
-    if (token == TokenNameCOLON) {
-      getNextToken();
-      statementList();
-      if (token != TokenNameendfor) {
-        throwSyntaxError("'endfor' expected.");
-      }
-      getNextToken();
-      if (token != TokenNameSEMICOLON) {
-        throwSyntaxError("';' expected after for-statement.");
-      }
-      getNextToken();
-    } else {
-      statement(TokenNameEOF);
-    }
-  }
-  private void whileStatement() {
-    // ':' statement-list 'endwhile' ';'
-    if (token == TokenNameCOLON) {
-      getNextToken();
-      statementList();
-      if (token != TokenNameendwhile) {
-        throwSyntaxError("'endwhile' expected.");
-      }
-      getNextToken();
-      if (token != TokenNameSEMICOLON) {
-        throwSyntaxError("';' expected after while-statement.");
-      }
-      getNextToken();
-    } else {
-      statement(TokenNameEOF);
-    }
-  }
-  private void foreachStatement() {
-    if (token == TokenNameCOLON) {
-      getNextToken();
-      statementList();
-      if (token != TokenNameendforeach) {
-        throwSyntaxError("'endforeach' expected.");
-      }
-      getNextToken();
-      if (token != TokenNameSEMICOLON) {
-        throwSyntaxError("';' expected after foreach-statement.");
-      }
-      getNextToken();
-    } else {
-      statement(TokenNameEOF);
-    }
-  }
-  //  private void exitStatus() {
-  //    if (token == TokenNameLPAREN) {
-  //      getNextToken();
-  //    } else {
-  //      throwSyntaxError("'(' expected in 'exit-status'.");
-  //    }
-  //    if (token != TokenNameRPAREN) {
-  //      expression();
-  //    }
-  //    if (token == TokenNameRPAREN) {
-  //      getNextToken();
-  //    } else {
-  //      throwSyntaxError("')' expected after 'exit-status'.");
-  //    }
-  //  }
-  private void expressionList() {
-    do {
-      expr();
-      if (token == TokenNameCOMMA) {
-        getNextToken();
-      } else {
-        break;
-      }
-    } while (true);
-  }
-  private void expr() {
-    //todo: find a better way to get the expression
-    //    expression = new StringBuffer();
-    //    for (int i = chIndx; i < str.length(); i++) {
-    //      if (str.charAt(i) == ';') {
-    //        break;
-    //      }
-    //      expression.append(str.charAt(i));
-    //    }
-    //    if (token == TokenNameSTRING_CONSTANT || token ==
-    // TokenNameINTERPOLATED_STRING) {
-    //      getNextToken();
-    //    } else {
-    logicalinclusiveorExpression();
-    //      while (token != TokenNameSEMICOLON) {
-    //        getNextToken();
-    //      // }
-    //    }
-  }
-  private void expr_without_variable() {
-    // String ident;
-    char[] ident;
-    boolean castFlag = false;
-    boolean arrayFlag = false;
-    switch (token) {
-      case TokenNameisset :
-      case TokenNameempty :
-      case TokenNameeval :
-      case TokenNameinclude :
-      case TokenNameinclude_once :
-      case TokenNamerequire :
-      case TokenNamerequire_once :
-        internal_functions_in_yacc();
-        break;
-      case TokenNamenew :
-        getNextToken();
-        expr();
-        break;
-      case TokenNamenull :
-        getNextToken();
-        break;
-      case TokenNamefalse :
-        getNextToken();
-        break;
-      case TokenNametrue :
-        getNextToken();
-        break;
-      case TokenNameStringConstant :
-        getNextToken();
-        break;
-      case TokenNameHEREDOC :
-      case TokenNameStringInterpolated :
-      case TokenNameStringLiteral :
-        getNextToken();
-        break;
-      case TokenNameLPAREN :
-        getNextToken();
-        if (token == TokenNameIdentifier) {
-          // check if identifier is a type:
-          //   ident = identifier;
-          ident = scanner.getCurrentIdentifierSource();
-          String str = new String(ident).toLowerCase();
-          for (int i = 0; i < PHP_TYPES.length; i++) {
-            if (PHP_TYPES[i].equals(str)) {
-              castFlag = true;
-              if (PHP_TYPES[i].equals("array")) {
-                arrayFlag = true;
-              }
-              break;
-            }
-          }
-        }
-        if (castFlag) {
-          getNextToken();
-          if (arrayFlag && token == TokenNameLPAREN) {
-            getNextToken();
-            if (token == TokenNameRPAREN) {
-              getNextToken();
-            } else {
-              expr();
-              if (token != TokenNameRPAREN) {
-                throwSyntaxError(") expected after 'array('.");
-              }
-            }
-          }
-          if (token != TokenNameRPAREN) {
-            throwSyntaxError(") expected after cast-type '" + str + "'.");
-          }
-          getNextToken();
-          expr();
-          break;
-        } else {
-          expr();
-        }
-        if (token != TokenNameRPAREN) {
-          throwSyntaxError(") expected in postfix-expression.");
-        }
-        getNextToken();
-        break;
-      case TokenNameDoubleLiteral :
-        getNextToken();
-        break;
-      case TokenNameIntegerLiteral :
-        getNextToken();
-        break;
-      case TokenNameDOLLAR_LBRACE :
-        getNextToken();
-        expr();
-        if (token != TokenNameRBRACE) {
-          throwSyntaxError("'}' expected after indirect variable token '${'.");
-        }
-        getNextToken();
-        break;
-      case TokenNameVariable :
-      case TokenNamethis :
-        ident = scanner.getCurrentIdentifierSource();
-        getNextToken();
-        if (token == TokenNameLBRACE) {
-          getNextToken();
-          expr();
-          if (token != TokenNameRBRACE) {
-            throwSyntaxError("'}' expected after variable '"
-                + new String(ident) + "' in variable-expression.");
-          }
-          getNextToken();
-        } else if (token == TokenNameLPAREN) {
-          getNextToken();
-          if (token != TokenNameRPAREN) {
-            expressionList();
-            if (token != TokenNameRPAREN) {
-              throwSyntaxError("')' expected after variable '"
-                  + new String(ident) + "' in postfix-expression.");
-            }
-          }
-          getNextToken();
-        }
-        break;
-      case TokenNameIdentifier :
-        ident = scanner.getCurrentIdentifierSource();
-        getNextToken();
-        if (token == TokenNameLPAREN) {
-          getNextToken();
-          if (token != TokenNameRPAREN) {
-            expressionList();
-            if (token != TokenNameRPAREN) {
-              throwSyntaxError("')' expected after identifier '"
-                  + new String(ident) + "' in postfix-expression."
-                  + "(Found token: " + scanner.toStringAction(token) + ")");
-            }
-          }
-          getNextToken();
-        }
-        break;
-      case TokenNameprint :
-        getNextToken();
-        expr();
-        break;
-      case TokenNameexit :
-        getNextToken();
-        exit_expr();
-        break;
-      case TokenNamelist :
-        getNextToken();
-        if (token == TokenNameLPAREN) {
-          getNextToken();
-          if (token == TokenNameCOMMA) {
-            getNextToken();
-          }
-          expressionList();
-          if (token != TokenNameRPAREN) {
-            throwSyntaxError("')' expected after 'list' keyword.");
-          }
-          getNextToken();
-          //          if (token == TokenNameSET) {
-          //            getNextToken();
-          //            logicalinclusiveorExpression();
-          //          }
-        } else {
-          throwSyntaxError("'(' expected after 'list' keyword.");
-        }
-        break;
-    //      case TokenNameexit :
-    //        getNextToken();
-    //        if (token != TokenNameSEMICOLON) {
-    //          exitStatus();
-    //        }
-    //        if (token == TokenNameSEMICOLON) {
-    //          getNextToken();
-    //        } else {
-    //          if (token != TokenNameStopPHP) {
-    //            throwSyntaxError("';' expected after 'exit' expression.");
-    //          }
-    //          getNextToken();
-    //        }
-    //        break;
-    //      case TokenNamedie :
-    //        getNextToken();
-    //        if (token != TokenNameSEMICOLON) {
-    //          exitStatus();
-    //        }
-    //        if (token == TokenNameSEMICOLON) {
-    //          getNextToken();
-    //        } else {
-    //          if (token != TokenNameStopPHP) {
-    //            throwSyntaxError("';' expected after 'die' expression.");
-    //          }
-    //        }
-    //        break;
-    //      case TokenNamearray :
-    //        getNextToken();
-    //        if (token == TokenNameARGOPEN) {
-    //          getNextToken();
-    //          if (token == TokenNameCOMMA) {
-    //            getNextToken();
-    //          }
-    //          expressionList();
-    //          if (token != TokenNameARGCLOSE) {
-    //            throwSyntaxError("')' expected after 'list' keyword.");
-    //          }
-    //          getNextToken();
-    //          if (token == TokenNameSET) {
-    //            getNextToken();
-    //            logicalinclusiveorExpression();
-    //          }
-    //        } else {
-    //          throwSyntaxError("'(' expected after 'list' keyword.");
-    //        }
-    //        break;
-    }
-    boolean while_flag = true;
-    do {
-      switch (token) {
-        case TokenNameLBRACKET :
-          getNextToken();
-          expr();
-          if (token != TokenNameRBRACKET) {
-            throwSyntaxError("] expected in postfix-expression.");
-          }
-          getNextToken();
-          break;
-        case TokenNameCOLON_COLON :
-        // ::
-        case TokenNameMINUS_GREATER :
-          // ->
-          getNextToken();
-          if (token > TokenNameKEYWORD) {
-            ident = scanner.getCurrentIdentifierSource();
-            //            setMarker(
-            //              "Avoid using keyword '"
-            //                + new String(ident)
-            //                + "' as variable name.",
-            //              rowCount,
-            //              PHPParser.INFO);
-            //            setMarker(
-            //              "Avoid using keyword '" + new String(ident) + "' as
-            // variable name.",
-            //              scanner.getCurrentTokenStartPosition(),
-            //              scanner.getCurrentTokenEndPosition(),
-            //              INFO);
-          }
-          switch (token) {
-            case TokenNameVariable :
-              ident = scanner.getCurrentIdentifierSource();
-              getNextToken();
-              //              if (token == TokenNameARGOPEN) {
-              //                getNextToken();
-              //                expressionList();
-              //                if (token != TokenNameARGCLOSE) {
-              //                  throwSyntaxError(") expected after variable '" +
-              // ident + "'.");
-              //                }
-              //                getNextToken();
-              //              }
-              break;
-            case TokenNameIdentifier :
-              //ident = scanner.getCurrentIdentifierSource();
-              getNextToken();
-              break;
-            case TokenNameLBRACE :
-              getNextToken();
-              expr();
-              if (token != TokenNameRBRACE) {
-                throwSyntaxError("} expected in postfix-expression.");
-              }
-              getNextToken();
-              break;
-            default :
-              throwSyntaxError("Syntax error after '->' token.");
-          }
-          while (token == TokenNameLBRACKET || token == TokenNameLPAREN
-              || token == TokenNameLBRACE) {
-            if (token == TokenNameLBRACKET) {
-              getNextToken();
-              expressionList();
-              if (token != TokenNameRBRACKET) {
-                throwSyntaxError("] expected after '->'.");
-              }
-              getNextToken();
-            } else if (token == TokenNameLPAREN) {
-              getNextToken();
-              expressionList();
-              if (token != TokenNameRPAREN) {
-                throwSyntaxError(") expected after '->'.");
-              }
-              getNextToken();
-            } else if (token == TokenNameLBRACE) {
-              getNextToken();
-              expr();
-              if (token != TokenNameRBRACE) {
-                throwSyntaxError("} expected after '->'.");
-              }
-              getNextToken();
-            }
-          }
-          break;
-        case TokenNamePLUS_PLUS :
-          getNextToken();
-          break;
-        case TokenNameMINUS_MINUS :
-          getNextToken();
-          break;
-        default :
-          while_flag = false;
-      }
-    } while (while_flag);
-  }
-  private void unaryExpression() {
-    switch (token) {
-      case TokenNamePLUS_PLUS :
-        getNextToken();
-        unaryExpression();
-        break;
-      case TokenNameMINUS_MINUS :
-        getNextToken();
-        unaryExpression();
-        break;
-      // '@' '&' '*' '+' '-' '~' '!'
-      case TokenNameAT :
-        getNextToken();
-        if (token == TokenNameinclude || token == TokenNameinclude_once
-            || token == TokenNamerequire || token == TokenNamerequire_once) {
-          statement(TokenNameAT);
-        } else {
-          expr_without_variable(); //  castExpression();
-        }
-        break;
-      case TokenNameAND :
-        getNextToken();
-        castExpression();
-        break;
-      case TokenNameMULTIPLY :
-        getNextToken();
-        castExpression();
-        break;
-      case TokenNamePLUS :
-        getNextToken();
-        castExpression();
-        break;
-      case TokenNameMINUS :
-        getNextToken();
-        castExpression();
-        break;
-      case TokenNameTWIDDLE :
-        getNextToken();
-        castExpression();
-        break;
-      case TokenNameNOT :
-        getNextToken();
-        castExpression();
-        break;
-      default :
-        expr_without_variable();
-    }
-  }
-  private void castExpression() {
-    //    if (token == TokenNameARGOPEN) {
-    //      getNextToken();
-    //      typeName();
-    //      if (token != TokenNameARGCLOSE) {
-    //        throwSyntaxError(") expected after cast-expression.");
-    //      }
-    //      getNextToken();
-    //    }
-    unaryExpression();
-  }
-  private void assignExpression() {
-    castExpression();
-    if (token == TokenNameEQUAL) { // =
-      getNextToken();
-      logicalinclusiveorExpression();
-    } else if (token == TokenNameDOT_EQUAL) { // .=
-      getNextToken();
-      logicalinclusiveorExpression();
-    } else if (token == TokenNameEQUAL_GREATER) { // =>
-      getNextToken();
-      logicalinclusiveorExpression();
-    } else if (token == TokenNamePLUS_EQUAL) { // +=
-      getNextToken();
-      logicalinclusiveorExpression();
-    } else if (token == TokenNameMINUS_EQUAL) { // -=
-      getNextToken();
-      logicalinclusiveorExpression();
-    } else if (token == TokenNameMULTIPLY_EQUAL) { // *=
-      getNextToken();
-      logicalinclusiveorExpression();
-    } else if (token == TokenNameDIVIDE_EQUAL) { // *=
-      getNextToken();
-      logicalinclusiveorExpression();
-    } else if (token == TokenNameREMAINDER_EQUAL) { // %=
-      getNextToken();
-      logicalinclusiveorExpression();
-    } else if (token == TokenNameAND_EQUAL) { // &=
-      getNextToken();
-      logicalinclusiveorExpression();
-    } else if (token == TokenNameOR_EQUAL) { // |=
-      getNextToken();
-      logicalinclusiveorExpression();
-    } else if (token == TokenNameXOR_EQUAL) { // ^=
-      getNextToken();
-      logicalinclusiveorExpression();
-    } else if (token == TokenNameLEFT_SHIFT_EQUAL) { // <<=
-      getNextToken();
-      logicalinclusiveorExpression();
-    } else if (token == TokenNameRIGHT_SHIFT_EQUAL) { // >>=
-      getNextToken();
-      logicalinclusiveorExpression();
-    } else if (token == TokenNameTWIDDLE_EQUAL) { // ~=
-      getNextToken();
-      logicalinclusiveorExpression();
-    }
-  }
-  private void multiplicativeExpression() {
-    do {
-      assignExpression();
-      if (token != TokenNameMULTIPLY && token != TokenNameDIVIDE
-          && token != TokenNameREMAINDER) {
-        return;
-      }
-      getNextToken();
-    } while (true);
-  }
-  private void concatenationExpression() {
-    do {
-      multiplicativeExpression();
-      if (token != TokenNameDOT) {
-        return;
-      }
-      getNextToken();
-    } while (true);
-  }
-  private void additiveExpression() {
-    do {
-      concatenationExpression();
-      if (token != TokenNamePLUS && token != TokenNameMINUS) {
-        return;
-      }
-      getNextToken();
-    } while (true);
-  }
-  private void shiftExpression() {
-    do {
-      additiveExpression();
-      if (token != TokenNameLEFT_SHIFT && token != TokenNameRIGHT_SHIFT) {
-        return;
-      }
-      getNextToken();
-    } while (true);
-  }
-  private void relationalExpression() {
-    do {
-      shiftExpression();
-      if (token != TokenNameLESS && token != TokenNameGREATER
-          && token != TokenNameLESS_EQUAL && token != TokenNameGREATER_EQUAL) {
-        return;
-      }
-      getNextToken();
-    } while (true);
-  }
-  private void identicalExpression() {
-    do {
-      relationalExpression();
-      if (token != TokenNameEQUAL_EQUAL_EQUAL
-          && token != TokenNameNOT_EQUAL_EQUAL) {
-        return;
-      }
-      getNextToken();
-    } while (true);
-  }
-  private void equalityExpression() {
-    do {
-      identicalExpression();
-      if (token != TokenNameEQUAL_EQUAL && token != TokenNameNOT_EQUAL) {
-        return;
-      }
-      getNextToken();
-    } while (true);
-  }
-  private void ternaryExpression() {
-    equalityExpression();
-    if (token == TokenNameQUESTION) {
-      getNextToken();
-      expr();
-      if (token == TokenNameCOLON) {
-        getNextToken();
-        expr();
-      } else {
-        throwSyntaxError("':' expected in ternary operator '? :'.");
-      }
-    }
-  }
-  private void andExpression() {
-    do {
-      ternaryExpression();
-      if (token != TokenNameAND) {
-        return;
-      }
-      getNextToken();
-    } while (true);
-  }
-  private void exclusiveorExpression() {
-    do {
-      andExpression();
-      if (token != TokenNameXOR) {
-        return;
-      }
-      getNextToken();
-    } while (true);
-  }
-  private void inclusiveorExpression() {
-    do {
-      exclusiveorExpression();
-      if (token != TokenNameOR) {
-        return;
-      }
-      getNextToken();
-    } while (true);
-  }
-  private void booleanandExpression() {
-    do {
-      inclusiveorExpression();
-      if (token != TokenNameAND_AND) {
-        return;
-      }
-      getNextToken();
-    } while (true);
-  }
-  private void booleanorExpression() {
-    do {
-      booleanandExpression();
-      if (token != TokenNameOR_OR) {
-        return;
-      }
-      getNextToken();
-    } while (true);
-  }
-  private void logicalandExpression() {
-    do {
-      booleanorExpression();
-      if (token != TokenNameAND) {
-        return;
-      }
-      getNextToken();
-    } while (true);
-  }
-  private void logicalexclusiveorExpression() {
-    do {
-      logicalandExpression();
-      if (token != TokenNameXOR) {
-        return;
-      }
-      getNextToken();
-    } while (true);
-  }
-  private void logicalinclusiveorExpression() {
-    do {
-      logicalexclusiveorExpression();
-      if (token != TokenNameOR) {
-        return;
-      }
-      getNextToken();
-    } while (true);
-  }
-  //  public void assignmentExpression() {
-  //    if (token == TokenNameVARIABLE) {
-  //      getNextToken();
-  //      if (token == TokenNameSET) {
-  //        getNextToken();
-  //        logicalinclusiveorExpression();
-  //      }
-  //    } else {
-  //      logicalinclusiveorExpression();
-  //    }
-  //  }
-  private void variableList() {
-    do {
-      variable();
-      if (token == TokenNameCOMMA) {
-        getNextToken();
-      } else {
-        break;
-      }
-    } while (true);
-  }
-  private void variable() {
-    if (token == TokenNameDOLLAR_LBRACE) {
-      getNextToken();
-      expr();
-      ;
-      if (token != TokenNameRBRACE) {
-        throwSyntaxError("'}' expected after indirect variable token '${'.");
-      }
-      getNextToken();
-    } else {
-      if (token == TokenNameVariable) {
-        getNextToken();
-        if (token == TokenNameLBRACKET) {
-          getNextToken();
-          expr();
-          if (token != TokenNameRBRACKET) {
-            throwSyntaxError("']' expected in variable-list.");
-          }
-          getNextToken();
-        } else if (token == TokenNameEQUAL) {
-          getNextToken();
-          constant();
-        }
-      } else {
-        throwSyntaxError("$-variable expected in variable-list.");
-      }
-    }
-  }
-  private void exit_expr() {
-    // /* empty */
-    // | '(' ')'
-    // | '(' expr ')'
-    if (token != TokenNameLPAREN) {
-      return;
-    }
-    getNextToken();
-    if (token == TokenNameRPAREN) {
-      getNextToken();
-      return;
-    }
-    expr();
-    if (token != TokenNameRPAREN) {
-      throwSyntaxError("')' expected after keyword 'exit'");
-    }
-    getNextToken();
-  }
-  private void internal_functions_in_yacc() {
-    switch (token) {
-      case TokenNameisset :
-        //     T_ISSET '(' isset_variables ')'
-        getNextToken();
-        if (token != TokenNameLPAREN) {
-          throwSyntaxError("'(' expected after keyword 'isset'");
-        }
-        getNextToken();
-        isset_variables();
-        if (token != TokenNameRPAREN) {
-          throwSyntaxError("')' expected after keyword 'isset'");
-        }
-        getNextToken();
-        break;
-      case TokenNameempty :
-        //     T_EMPTY '(' variable ')'
-        getNextToken();
-        if (token != TokenNameLPAREN) {
-          throwSyntaxError("'(' expected after keyword 'empty'");
-        }
-        getNextToken();
-        variable();
-        if (token != TokenNameRPAREN) {
-          throwSyntaxError("')' expected after keyword 'empty'");
-        }
-        getNextToken();
-        break;
-      case TokenNameinclude :
-        //T_INCLUDE expr
-        getNextToken();
-        expr();
-        break;
-      case TokenNameinclude_once :
-        //     T_INCLUDE_ONCE expr
-        getNextToken();
-        expr();
-        break;
-      case TokenNameeval :
-        //     T_EVAL '(' expr ')'
-        getNextToken();
-        if (token != TokenNameLPAREN) {
-          throwSyntaxError("'(' expected after keyword 'eval'");
-        }
-        getNextToken();
-        expr();
-        if (token != TokenNameRPAREN) {
-          throwSyntaxError("')' expected after keyword 'eval'");
-        }
-        getNextToken();
-        break;
-      case TokenNamerequire :
-        //T_REQUIRE expr
-        getNextToken();
-        expr();
-        break;
-      case TokenNamerequire_once :
-        //     T_REQUIRE_ONCE expr
-        getNextToken();
-        expr();
-        break;
-    }
-  }
-  private void isset_variables() {
-    // variable
-    // | isset_variables ','
-    if (token == TokenNameRPAREN) {
-      throwSyntaxError("Variable expected after keyword 'isset'");
-    }
-    while (true) {
-      variable();
-      if (token == TokenNameCOMMA) {
-        getNextToken();
-      } else {
-        break;
-      }
-    }
-  }
-  /**
-   * It will look for a value (after a '=' for example) @
-   */
-  private void constant() {
-    //   String ident;
-    switch (token) {
-      case TokenNamePLUS :
-        getNextToken();
-        switch (token) {
-          case TokenNameDoubleLiteral :
-            getNextToken();
-            break;
-          case TokenNameIntegerLiteral :
-            getNextToken();
-            break;
-          default :
-            throwSyntaxError("Constant expected after '+' presign.");
-        }
-        break;
-      case TokenNameMINUS :
-        getNextToken();
-        switch (token) {
-          case TokenNameDoubleLiteral :
-            getNextToken();
-            break;
-          case TokenNameIntegerLiteral :
-            getNextToken();
-            break;
-          default :
-            throwSyntaxError("Constant expected after '-' presign.");
-        }
-        break;
-      case TokenNamenull :
-        getNextToken();
-        break;
-      case TokenNamefalse :
-        getNextToken();
-        break;
-      case TokenNametrue :
-        getNextToken();
-        break;
-      case TokenNameIdentifier :
-        //   ident = identifier;
-        char[] ident = scanner.getCurrentIdentifierSource();
-        getNextToken();
-        if (token == TokenNameLPAREN) {
-          getNextToken();
-          if (token != TokenNameRPAREN) {
-            expressionList();
-            if (token != TokenNameRPAREN) {
-              throwSyntaxError("')' expected after identifier '"
-                  + new String(ident) + "' in postfix-expression.");
-            }
-          }
-          getNextToken();
-        }
-        break;
-      case TokenNameStringLiteral :
-        getNextToken();
-        break;
-      case TokenNameStringConstant :
-        getNextToken();
-        break;
-      case TokenNameStringInterpolated :
-        getNextToken();
-        break;
-      case TokenNameDoubleLiteral :
-        getNextToken();
-        break;
-      case TokenNameIntegerLiteral :
-        getNextToken();
-        break;
-      default :
-        throwSyntaxError("Constant expected.");
-    }
-  }
-  public void reportSyntaxError() { //int act, int currentKind, int
-    // stateStackTop) {
-    /* remember current scanner position */
-    int startPos = scanner.startPosition;
-    int currentPos = scanner.currentPosition;
-    //         String[] expectings;
-    //         String tokenName = name[symbol_index[currentKind]];
-    //fetch all "accurate" possible terminals that could recover the error
-    //         int start, end = start = asi(stack[stateStackTop]);
-    //         while (asr[end] != 0)
-    //                 end++;
-    //         int length = end - start;
-    //         expectings = new String[length];
-    //         if (length != 0) {
-    //                 char[] indexes = new char[length];
-    //                 System.arraycopy(asr, start, indexes, 0, length);
-    //                 for (int i = 0; i < length; i++) {
-    //                         expectings[i] = name[symbol_index[indexes[i]]];
-    //                 }
-    //         }
-    //if the pb is an EOF, try to tell the user that they are some
-    //         if (tokenName.equals(UNEXPECTED_EOF)) {
-    //                 if (!this.checkAndReportBracketAnomalies(problemReporter())) {
-    //                         char[] tokenSource;
-    //                         try {
-    //                                 tokenSource = this.scanner.getCurrentTokenSource();
-    //                         } catch (Exception e) {
-    //                                 tokenSource = new char[] {};
-    //                         }
-    //                         problemReporter().parseError(
-    //                                 this.scanner.startPosition,
-    //                                 this.scanner.currentPosition - 1,
-    //                                 tokenSource,
-    //                                 tokenName,
-    //                                 expectings);
-    //                 }
-    //         } else { //the next test is HEAVILY grammar DEPENDENT.
-    //                 if ((length == 14)
-    //                         && (expectings[0] == "=") //$NON-NLS-1$
-    //                         && (expectings[1] == "*=") //$NON-NLS-1$
-    //                         && (expressionPtr > -1)) {
-    //                                 switch(currentKind) {
-    //                                         case TokenNameSEMICOLON:
-    //                                         case TokenNamePLUS:
-    //                                         case TokenNameMINUS:
-    //                                         case TokenNameDIVIDE:
-    //                                         case TokenNameREMAINDER:
-    //                                         case TokenNameMULTIPLY:
-    //                                         case TokenNameLEFT_SHIFT:
-    //                                         case TokenNameRIGHT_SHIFT:
-    //// case TokenNameUNSIGNED_RIGHT_SHIFT:
-    //                                         case TokenNameLESS:
-    //                                         case TokenNameGREATER:
-    //                                         case TokenNameLESS_EQUAL:
-    //                                         case TokenNameGREATER_EQUAL:
-    //                                         case TokenNameEQUAL_EQUAL:
-    //                                         case TokenNameNOT_EQUAL:
-    //                                         case TokenNameXOR:
-    //                                         case TokenNameAND:
-    //                                         case TokenNameOR:
-    //                                         case TokenNameOR_OR:
-    //                                         case TokenNameAND_AND:
-    //                                                 // the ; is not the expected token ==> it ends a statement when an
-    // expression is not ended
-    //                                                 problemReporter().invalidExpressionAsStatement(expressionStack[expressionPtr]);
-    //                                                 break;
-    //                                         case TokenNameRBRACE :
-    //                                                 problemReporter().missingSemiColon(expressionStack[expressionPtr]);
-    //                                                 break;
-    //                                         default:
-    //                                                 char[] tokenSource;
-    //                                                 try {
-    //                                                         tokenSource = this.scanner.getCurrentTokenSource();
-    //                                                 } catch (Exception e) {
-    //                                                         tokenSource = new char[] {};
-    //                                                 }
-    //                                                 problemReporter().parseError(
-    //                                                         this.scanner.startPosition,
-    //                                                         this.scanner.currentPosition - 1,
-    //                                                         tokenSource,
-    //                                                         tokenName,
-    //                                                         expectings);
-    //                                                 this.checkAndReportBracketAnomalies(problemReporter());
-    //                                 }
-    //                 } else {
-    char[] tokenSource;
-    try {
-      tokenSource = this.scanner.getCurrentTokenSource();
-    } catch (Exception e) {
-      tokenSource = new char[]{};
-    }
-    //                         problemReporter().parseError(
-    //                                 this.scanner.startPosition,
-    //                                 this.scanner.currentPosition - 1,
-    //                                 tokenSource,
-    //                                 tokenName,
-    //                                 expectings);
-    this.checkAndReportBracketAnomalies(problemReporter());
-    //                 }
-    //         }
-    /* reset scanner where it was */
-    scanner.startPosition = startPos;
-    scanner.currentPosition = currentPos;
-  }
-  public static final int RoundBracket = 0;
-  public static final int SquareBracket = 1;
-  public static final int CurlyBracket = 2;
-  public static final int BracketKinds = 3;
-  protected int[] nestedMethod; //the ptr is nestedType
-  protected int nestedType, dimensions;
-  //ast stack
-  final static int AstStackIncrement = 100;
-  protected int astPtr;
-  protected AstNode[] astStack = new AstNode[AstStackIncrement];
-  protected int astLengthPtr;
-  protected int[] astLengthStack;
-  AstNode[] noAstNodes = new AstNode[AstStackIncrement];
-  public CompilationUnitDeclaration compilationUnit; /*
-                                                      * the result from parse()
-                                                      */
-  protected ReferenceContext referenceContext;
-  protected ProblemReporter problemReporter;
-  //  protected CompilationResult compilationResult;
-  /**
-   * 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() {
-    if (scanner.recordLineSeparator) {
-      compilationUnit.compilationResult.lineSeparatorPositions = scanner
-          .getLineEnds();
-    }
-    problemReporter.referenceContext = referenceContext;
-    return problemReporter;
-  }
-  /*
-   * Reconsider the entire source looking for inconsistencies in {} () []
-   */
-  public boolean checkAndReportBracketAnomalies(ProblemReporter problemReporter) {
-    scanner.wasAcr = false;
-    boolean anomaliesDetected = false;
-    try {
-      char[] source = scanner.source;
-      int[] leftCount = {0, 0, 0};
-      int[] rightCount = {0, 0, 0};
-      int[] depths = {0, 0, 0};
-      int[][] leftPositions = new int[][]{new int[10], new int[10], new int[10]};
-      int[][] leftDepths = new int[][]{new int[10], new int[10], new int[10]};
-      int[][] rightPositions = new int[][]{new int[10], new int[10],
-          new int[10]};
-      int[][] rightDepths = new int[][]{new int[10], new int[10], new int[10]};
-      scanner.currentPosition = scanner.initialPosition; //starting
-      // point
-      // (first-zero-based
-      // char)
-      while (scanner.currentPosition < scanner.eofPosition) { //loop for
-        // jumping
-        // over
-        // comments
-        try {
-          // ---------Consume white space and handles
-          // startPosition---------
-          boolean isWhiteSpace;
-          do {
-            scanner.startPosition = scanner.currentPosition;
-            //                                         if (((scanner.currentCharacter =
-            // source[scanner.currentPosition++]) == '\\') &&
-            // (source[scanner.currentPosition] == 'u')) {
-            //                                                 isWhiteSpace = scanner.jumpOverUnicodeWhiteSpace();
-            //                                         } else {
-            if (scanner.recordLineSeparator
-                && ((scanner.currentCharacter == '\r') || (scanner.currentCharacter == '\n'))) {
-              if (scanner.lineEnds[scanner.linePtr] < scanner.startPosition) {
-                // only record line positions we have not
-                // recorded yet
-                scanner.pushLineSeparator();
-              }
-            }
-            isWhiteSpace = CharOperation.isWhitespace(scanner.currentCharacter);
-            //                                         }
-          } while (isWhiteSpace
-              && (scanner.currentPosition < scanner.eofPosition));
-          // -------consume token until } is found---------
-          switch (scanner.currentCharacter) {
-            case '{' :
-              {
-                int index = leftCount[CurlyBracket]++;
-                if (index == leftPositions[CurlyBracket].length) {
-                  System.arraycopy(leftPositions[CurlyBracket], 0,
-                      (leftPositions[CurlyBracket] = new int[index * 2]), 0,
-                      index);
-                  System
-                      .arraycopy(leftDepths[CurlyBracket], 0,
-                          (leftDepths[CurlyBracket] = new int[index * 2]), 0,
-                          index);
-                }
-                leftPositions[CurlyBracket][index] = scanner.startPosition;
-                leftDepths[CurlyBracket][index] = depths[CurlyBracket]++;
-              }
-              break;
-            case '}' :
-              {
-                int index = rightCount[CurlyBracket]++;
-                if (index == rightPositions[CurlyBracket].length) {
-                  System.arraycopy(rightPositions[CurlyBracket], 0,
-                      (rightPositions[CurlyBracket] = new int[index * 2]), 0,
-                      index);
-                  System.arraycopy(rightDepths[CurlyBracket], 0,
-                      (rightDepths[CurlyBracket] = new int[index * 2]), 0,
-                      index);
-                }
-                rightPositions[CurlyBracket][index] = scanner.startPosition;
-                rightDepths[CurlyBracket][index] = --depths[CurlyBracket];
-              }
-              break;
-            case '(' :
-              {
-                int index = leftCount[RoundBracket]++;
-                if (index == leftPositions[RoundBracket].length) {
-                  System.arraycopy(leftPositions[RoundBracket], 0,
-                      (leftPositions[RoundBracket] = new int[index * 2]), 0,
-                      index);
-                  System
-                      .arraycopy(leftDepths[RoundBracket], 0,
-                          (leftDepths[RoundBracket] = new int[index * 2]), 0,
-                          index);
-                }
-                leftPositions[RoundBracket][index] = scanner.startPosition;
-                leftDepths[RoundBracket][index] = depths[RoundBracket]++;
-              }
-              break;
-            case ')' :
-              {
-                int index = rightCount[RoundBracket]++;
-                if (index == rightPositions[RoundBracket].length) {
-                  System.arraycopy(rightPositions[RoundBracket], 0,
-                      (rightPositions[RoundBracket] = new int[index * 2]), 0,
-                      index);
-                  System.arraycopy(rightDepths[RoundBracket], 0,
-                      (rightDepths[RoundBracket] = new int[index * 2]), 0,
-                      index);
-                }
-                rightPositions[RoundBracket][index] = scanner.startPosition;
-                rightDepths[RoundBracket][index] = --depths[RoundBracket];
-              }
-              break;
-            case '[' :
-              {
-                int index = leftCount[SquareBracket]++;
-                if (index == leftPositions[SquareBracket].length) {
-                  System.arraycopy(leftPositions[SquareBracket], 0,
-                      (leftPositions[SquareBracket] = new int[index * 2]), 0,
-                      index);
-                  System.arraycopy(leftDepths[SquareBracket], 0,
-                      (leftDepths[SquareBracket] = new int[index * 2]), 0,
-                      index);
-                }
-                leftPositions[SquareBracket][index] = scanner.startPosition;
-                leftDepths[SquareBracket][index] = depths[SquareBracket]++;
-              }
-              break;
-            case ']' :
-              {
-                int index = rightCount[SquareBracket]++;
-                if (index == rightPositions[SquareBracket].length) {
-                  System.arraycopy(rightPositions[SquareBracket], 0,
-                      (rightPositions[SquareBracket] = new int[index * 2]), 0,
-                      index);
-                  System.arraycopy(rightDepths[SquareBracket], 0,
-                      (rightDepths[SquareBracket] = new int[index * 2]), 0,
-                      index);
-                }
-                rightPositions[SquareBracket][index] = scanner.startPosition;
-                rightDepths[SquareBracket][index] = --depths[SquareBracket];
-              }
-              break;
-            case '\'' :
-              {
-                if (scanner.getNextChar('\\')) {
-                  scanner.scanEscapeCharacter();
-                } else { // consume next character
-                  scanner.unicodeAsBackSlash = false;
-                  //                                                                   if (((scanner.currentCharacter =
-                  // source[scanner.currentPosition++]) ==
-                  // '\\') &&
-                  // (source[scanner.currentPosition] ==
-                  // 'u')) {
-                  //                                                                           scanner.getNextUnicodeChar();
-                  //                                                                   } else {
-                  if (scanner.withoutUnicodePtr != 0) {
-                    scanner.withoutUnicodeBuffer[++scanner.withoutUnicodePtr] = scanner.currentCharacter;
-                  }
-                  //                                                                   }
-                }
-                scanner.getNextChar('\'');
-                break;
-              }
-            case '"' :
-              // consume next character
-              scanner.unicodeAsBackSlash = false;
-              //                                                       if (((scanner.currentCharacter =
-              // source[scanner.currentPosition++]) == '\\') &&
-              // (source[scanner.currentPosition] == 'u')) {
-              //                                                               scanner.getNextUnicodeChar();
-              //                                                       } else {
-              if (scanner.withoutUnicodePtr != 0) {
-                scanner.withoutUnicodeBuffer[++scanner.withoutUnicodePtr] = scanner.currentCharacter;
-              }
-              //                                                       }
-              while (scanner.currentCharacter != '"') {
-                if (scanner.currentCharacter == '\r') {
-                  if (source[scanner.currentPosition] == '\n')
-                    scanner.currentPosition++;
-                  break; // the string cannot go further that
-                  // the line
-                }
-                if (scanner.currentCharacter == '\n') {
-                  break; // the string cannot go further that
-                  // the line
-                }
-                if (scanner.currentCharacter == '\\') {
-                  scanner.scanEscapeCharacter();
-                }
-                // consume next character
-                scanner.unicodeAsBackSlash = false;
-                //                                                             if (((scanner.currentCharacter =
-                // source[scanner.currentPosition++]) == '\\')
-                // && (source[scanner.currentPosition] == 'u'))
-                // {
-                //                                                                     scanner.getNextUnicodeChar();
-                //                                                             } else {
-                if (scanner.withoutUnicodePtr != 0) {
-                  scanner.withoutUnicodeBuffer[++scanner.withoutUnicodePtr] = scanner.currentCharacter;
-                }
-                //                                                             }
-              }
-              break;
-            case '/' :
-              {
-                int test;
-                if ((test = scanner.getNextChar('/', '*')) == 0) { //line
-                  // comment
-                  //get the next char
-                  if (((scanner.currentCharacter = source[scanner.currentPosition++]) == '\\')
-                      && (source[scanner.currentPosition] == 'u')) {
-                    //-------------unicode traitement
-                    // ------------
-                    int c1 = 0, c2 = 0, c3 = 0, c4 = 0;
-                    scanner.currentPosition++;
-                    while (source[scanner.currentPosition] == 'u') {
-                      scanner.currentPosition++;
-                    }
-                    if ((c1 = Character
-                        .getNumericValue(source[scanner.currentPosition++])) > 15
-                        || c1 < 0
-                        || (c2 = Character
-                            .getNumericValue(source[scanner.currentPosition++])) > 15
-                        || c2 < 0
-                        || (c3 = Character
-                            .getNumericValue(source[scanner.currentPosition++])) > 15
-                        || c3 < 0
-                        || (c4 = Character
-                            .getNumericValue(source[scanner.currentPosition++])) > 15
-                        || c4 < 0) { //error don't
-                      // care of the
-                      // value
-                      scanner.currentCharacter = 'A';
-                    } //something different from \n and \r
-                    else {
-                      scanner.currentCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4);
-                    }
-                  }
-                  while (scanner.currentCharacter != '\r'
-                      && scanner.currentCharacter != '\n') {
-                    //get the next char
-                    scanner.startPosition = scanner.currentPosition;
-                    if (((scanner.currentCharacter = source[scanner.currentPosition++]) == '\\')
-                        && (source[scanner.currentPosition] == 'u')) {
-                      //-------------unicode traitement
-                      // ------------
-                      int c1 = 0, c2 = 0, c3 = 0, c4 = 0;
-                      scanner.currentPosition++;
-                      while (source[scanner.currentPosition] == 'u') {
-                        scanner.currentPosition++;
-                      }
-                      if ((c1 = Character
-                          .getNumericValue(source[scanner.currentPosition++])) > 15
-                          || c1 < 0
-                          || (c2 = Character
-                              .getNumericValue(source[scanner.currentPosition++])) > 15
-                          || c2 < 0
-                          || (c3 = Character
-                              .getNumericValue(source[scanner.currentPosition++])) > 15
-                          || c3 < 0
-                          || (c4 = Character
-                              .getNumericValue(source[scanner.currentPosition++])) > 15
-                          || c4 < 0) { //error don't
-                        // care of the
-                        // value
-                        scanner.currentCharacter = 'A';
-                      } //something different from \n
-                      // and \r
-                      else {
-                        scanner.currentCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4);
-                      }
-                    }
-                  }
-                  if (scanner.recordLineSeparator
-                      && ((scanner.currentCharacter == '\r') || (scanner.currentCharacter == '\n'))) {
-                    if (scanner.lineEnds[scanner.linePtr] < scanner.startPosition) {
-                      // only record line positions we
-                      // have not recorded yet
-                      scanner.pushLineSeparator();
-                      if (this.scanner.taskTags != null) {
-                        this.scanner.checkTaskTag(this.scanner
-                            .getCurrentTokenStartPosition(), this.scanner
-                            .getCurrentTokenEndPosition());
-                      }
-                    }
-                  }
-                  break;
-                }
-                if (test > 0) { //traditional and annotation
-                  // comment
-                  boolean star = false;
-                  // consume next character
-                  scanner.unicodeAsBackSlash = false;
-                  //                                                                   if (((scanner.currentCharacter =
-                  // source[scanner.currentPosition++]) ==
-                  // '\\') &&
-                  // (source[scanner.currentPosition] ==
-                  // 'u')) {
-                  //                                                                           scanner.getNextUnicodeChar();
-                  //                                                                   } else {
-                  if (scanner.withoutUnicodePtr != 0) {
-                    scanner.withoutUnicodeBuffer[++scanner.withoutUnicodePtr] = scanner.currentCharacter;
-                  }
-                  //                                                                   }
-                  if (scanner.currentCharacter == '*') {
-                    star = true;
-                  }
-                  //get the next char
-                  if (((scanner.currentCharacter = source[scanner.currentPosition++]) == '\\')
-                      && (source[scanner.currentPosition] == 'u')) {
-                    //-------------unicode traitement
-                    // ------------
-                    int c1 = 0, c2 = 0, c3 = 0, c4 = 0;
-                    scanner.currentPosition++;
-                    while (source[scanner.currentPosition] == 'u') {
-                      scanner.currentPosition++;
-                    }
-                    if ((c1 = Character
-                        .getNumericValue(source[scanner.currentPosition++])) > 15
-                        || c1 < 0
-                        || (c2 = Character
-                            .getNumericValue(source[scanner.currentPosition++])) > 15
-                        || c2 < 0
-                        || (c3 = Character
-                            .getNumericValue(source[scanner.currentPosition++])) > 15
-                        || c3 < 0
-                        || (c4 = Character
-                            .getNumericValue(source[scanner.currentPosition++])) > 15
-                        || c4 < 0) { //error don't
-                      // care of the
-                      // value
-                      scanner.currentCharacter = 'A';
-                    } //something different from * and /
-                    else {
-                      scanner.currentCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4);
-                    }
-                  }
-                  //loop until end of comment */
-                  while ((scanner.currentCharacter != '/') || (!star)) {
-                    star = scanner.currentCharacter == '*';
-                    //get next char
-                    if (((scanner.currentCharacter = source[scanner.currentPosition++]) == '\\')
-                        && (source[scanner.currentPosition] == 'u')) {
-                      //-------------unicode traitement
-                      // ------------
-                      int c1 = 0, c2 = 0, c3 = 0, c4 = 0;
-                      scanner.currentPosition++;
-                      while (source[scanner.currentPosition] == 'u') {
-                        scanner.currentPosition++;
-                      }
-                      if ((c1 = Character
-                          .getNumericValue(source[scanner.currentPosition++])) > 15
-                          || c1 < 0
-                          || (c2 = Character
-                              .getNumericValue(source[scanner.currentPosition++])) > 15
-                          || c2 < 0
-                          || (c3 = Character
-                              .getNumericValue(source[scanner.currentPosition++])) > 15
-                          || c3 < 0
-                          || (c4 = Character
-                              .getNumericValue(source[scanner.currentPosition++])) > 15
-                          || c4 < 0) { //error don't
-                        // care of the
-                        // value
-                        scanner.currentCharacter = 'A';
-                      } //something different from * and
-                      // /
-                      else {
-                        scanner.currentCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4);
-                      }
-                    }
-                  }
-                  if (this.scanner.taskTags != null) {
-                    this.scanner.checkTaskTag(this.scanner
-                        .getCurrentTokenStartPosition(), this.scanner
-                        .getCurrentTokenEndPosition());
-                  }
-                  break;
-                }
-                break;
-              }
-            default :
-              if (Scanner.isPHPIdentifierStart(scanner.currentCharacter)) {
-                scanner.scanIdentifierOrKeyword(false);
-                break;
-              }
-              if (Character.isDigit(scanner.currentCharacter)) {
-                scanner.scanNumber(false);
-                break;
-              }
-          }
-          //-----------------end switch while
-          // try--------------------
-        } catch (IndexOutOfBoundsException e) {
-          break; // read until EOF
-        } catch (InvalidInputException e) {
-          return false; // no clue
-        }
-      }
-      if (scanner.recordLineSeparator) {
-        //                             compilationUnit.compilationResult.lineSeparatorPositions =
-        // scanner.getLineEnds();
-      }
-      // check placement anomalies against other kinds of brackets
-      for (int kind = 0; kind < BracketKinds; kind++) {
-        for (int leftIndex = leftCount[kind] - 1; leftIndex >= 0; leftIndex--) {
-          int start = leftPositions[kind][leftIndex]; // deepest
-          // first
-          // find matching closing bracket
-          int depth = leftDepths[kind][leftIndex];
-          int end = -1;
-          for (int i = 0; i < rightCount[kind]; i++) {
-            int pos = rightPositions[kind][i];
-            // want matching bracket further in source with same
-            // depth
-            if ((pos > start) && (depth == rightDepths[kind][i])) {
-              end = pos;
-              break;
-            }
-          }
-          if (end < 0) { // did not find a good closing match
-            problemReporter.unmatchedBracket(start, referenceContext,
-                compilationUnit.compilationResult);
-            return true;
-          }
-          // check if even number of opening/closing other brackets
-          // in between this pair of brackets
-          int balance = 0;
-          for (int otherKind = 0; (balance == 0) && (otherKind < BracketKinds); otherKind++) {
-            for (int i = 0; i < leftCount[otherKind]; i++) {
-              int pos = leftPositions[otherKind][i];
-              if ((pos > start) && (pos < end))
-                balance++;
-            }
-            for (int i = 0; i < rightCount[otherKind]; i++) {
-              int pos = rightPositions[otherKind][i];
-              if ((pos > start) && (pos < end))
-                balance--;
-            }
-            if (balance != 0) {
-              problemReporter.unmatchedBracket(start, referenceContext,
-                  compilationUnit.compilationResult); //bracket
-              // anomaly
-              return true;
-            }
-          }
-        }
-        // too many opening brackets ?
-        for (int i = rightCount[kind]; i < leftCount[kind]; i++) {
-          anomaliesDetected = true;
-          problemReporter.unmatchedBracket(leftPositions[kind][leftCount[kind]
-              - i - 1], referenceContext, compilationUnit.compilationResult);
-        }
-        // too many closing brackets ?
-        for (int i = leftCount[kind]; i < rightCount[kind]; i++) {
-          anomaliesDetected = true;
-          problemReporter.unmatchedBracket(rightPositions[kind][i],
-              referenceContext, compilationUnit.compilationResult);
-        }
-        if (anomaliesDetected)
-          return true;
-      }
-      return anomaliesDetected;
-    } catch (ArrayStoreException e) { // jdk1.2.2 jit bug
-      return anomaliesDetected;
-    } catch (NullPointerException e) { // jdk1.2.2 jit bug
-      return anomaliesDetected;
-    }
-  }
-  protected void pushOnAstLengthStack(int pos) {
-    try {
-      astLengthStack[++astLengthPtr] = pos;
-    } catch (IndexOutOfBoundsException e) {
-      int oldStackLength = astLengthStack.length;
-      int[] oldPos = astLengthStack;
-      astLengthStack = new int[oldStackLength + StackIncrement];
-      System.arraycopy(oldPos, 0, astLengthStack, 0, oldStackLength);
-      astLengthStack[astLengthPtr] = pos;
-    }
-  }
-  protected void pushOnAstStack(AstNode node) {
-    /*
-     * add a new obj on top of the ast stack
-     */
-    try {
-      astStack[++astPtr] = node;
-    } catch (IndexOutOfBoundsException e) {
-      int oldStackLength = astStack.length;
-      AstNode[] oldStack = astStack;
-      astStack = new AstNode[oldStackLength + AstStackIncrement];
-      System.arraycopy(oldStack, 0, astStack, 0, oldStackLength);
-      astPtr = oldStackLength;
-      astStack[astPtr] = node;
-    }
-    try {
-      astLengthStack[++astLengthPtr] = 1;
-    } catch (IndexOutOfBoundsException e) {
-      int oldStackLength = astLengthStack.length;
-      int[] oldPos = astLengthStack;
-      astLengthStack = new int[oldStackLength + AstStackIncrement];
-      System.arraycopy(oldPos, 0, astLengthStack, 0, oldStackLength);
-      astLengthStack[astLengthPtr] = 1;
-    }
-  }
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.IPath;
+
+public class Parser implements ITerminalSymbols, CompilerModifiers, ParserBasicInformation {
+       protected final static int StackIncrement = 255;
+
+       protected int stateStackTop;
+
+       // protected int[] stack = new int[StackIncrement];
+
+       public int firstToken; // handle for multiple parsing goals
+
+       public int lastAct; // handle for multiple parsing goals
+
+       // protected RecoveredElement currentElement;
+
+       public static boolean VERBOSE_RECOVERY = false;
+
+       protected boolean diet = false; // tells the scanner to jump over some
+
+       /**
+        * the PHP token scanner
+        */
+       public Scanner scanner;
+
+       int token;
+
+       protected int modifiers;
+
+       protected int modifiersSourceStart;
+
+       protected Parser(ProblemReporter problemReporter) {
+               this.problemReporter = problemReporter;
+               this.options = problemReporter.options;
+               this.token = TokenNameEOF;
+               this.initializeScanner();
+       }
+
+       public void setFileToParse(IFile fileToParse) {
+               this.token = TokenNameEOF;
+               this.initializeScanner();
+       }
+
+       /**
+        * ClassDeclaration Constructor.
+        *
+        * @param s
+        * @param sess
+        *          Description of Parameter
+        * @see
+        */
+       public Parser(IFile fileToParse) {
+               // if (keywordMap == null) {
+               // keywordMap = new HashMap();
+               // for (int i = 0; i < PHP_KEYWORS.length; i++) {
+               // keywordMap.put(PHP_KEYWORS[i], new Integer(PHP_KEYWORD_TOKEN[i]));
+               // }
+               // }
+               // this.currentPHPString = 0;
+               // PHPParserSuperclass.fileToParse = fileToParse;
+               // this.phpList = null;
+               this.includesList = null;
+               // this.str = "";
+               this.token = TokenNameEOF;
+               // this.chIndx = 0;
+               // this.rowCount = 1;
+               // this.columnCount = 0;
+               // this.phpEnd = false;
+               // getNextToken();
+               this.initializeScanner();
+       }
+
+       public void initializeScanner() {
+               this.scanner = new Scanner(false /* comment */, false /* whitespace */, this.options
+                               .getSeverity(CompilerOptions.NonExternalizedString) != ProblemSeverities.Ignore /* nls */, false, false,
+                               this.options.taskTags/* taskTags */, this.options.taskPriorites/* taskPriorities */, true/* isTaskCaseSensitive */);
+       }
+
+       /**
+        * Create marker for the parse error
+        */
+       // private void setMarker(String message, int charStart, int charEnd, int
+       // errorLevel) {
+       // setMarker(fileToParse, message, charStart, charEnd, errorLevel);
+       // }
+       /**
+        * This method will throw the SyntaxError. It will add the good lines and
+        * columns to the Error
+        *
+        * @param error
+        *          the error message
+        * @throws SyntaxError
+        *           the error raised
+        */
+       private void throwSyntaxError(String error) {
+               int problemStartPosition = scanner.getCurrentTokenStartPosition();
+               int problemEndPosition = scanner.getCurrentTokenEndPosition() + 1;
+               if (scanner.source.length <= problemEndPosition && problemEndPosition > 0) {
+                       problemEndPosition = scanner.source.length - 1;
+                       if (problemStartPosition > 0 && problemStartPosition >= problemEndPosition && problemEndPosition > 0) {
+                               problemStartPosition = problemEndPosition - 1;
+                       }
+               }
+               throwSyntaxError(error, problemStartPosition, problemEndPosition);
+       }
+
+       /**
+        * This method will throw the SyntaxError. It will add the good lines and
+        * columns to the Error
+        *
+        * @param error
+        *          the error message
+        * @throws SyntaxError
+        *           the error raised
+        */
+       // private void throwSyntaxError(String error, int startRow) {
+       // throw new SyntaxError(startRow, 0, " ", error);
+       // }
+       private void throwSyntaxError(String error, int problemStartPosition, int problemEndPosition) {
+               if (referenceContext != null) {
+                       problemReporter.phpParsingError(new String[] { error }, problemStartPosition, problemEndPosition, referenceContext,
+                                       compilationUnit.compilationResult);
+               }
+               throw new SyntaxError(1, 0, " ", error);
+       }
+
+       private void reportSyntaxError(String error) {
+               int problemStartPosition = scanner.getCurrentTokenStartPosition();
+               int problemEndPosition = scanner.getCurrentTokenEndPosition();
+               reportSyntaxError(error, problemStartPosition, problemEndPosition + 1);
+       }
+
+       private void reportSyntaxError(String error, int problemStartPosition, int problemEndPosition) {
+               if (referenceContext != null) {
+                       problemReporter.phpParsingError(new String[] { error }, problemStartPosition, problemEndPosition, referenceContext,
+                                       compilationUnit.compilationResult);
+               }
+       }
+
+       // private void reportSyntaxWarning(String error, int problemStartPosition,
+       // int problemEndPosition) {
+       // if (referenceContext != null) {
+       // problemReporter.phpParsingWarning(new String[] { error },
+       // problemStartPosition, problemEndPosition, referenceContext,
+       // compilationUnit.compilationResult);
+       // }
+       // }
+
+       /**
+        * gets the next token from input
+        */
+       private void getNextToken() {
+               try {
+                       token = scanner.getNextToken();
+                       if (Scanner.DEBUG) {
+                               int currentEndPosition = scanner.getCurrentTokenEndPosition();
+                               int currentStartPosition = scanner.getCurrentTokenStartPosition();
+                               System.out.print(currentStartPosition + "," + currentEndPosition + ": ");
+                               System.out.println(scanner.toStringAction(token));
+                       }
+               } catch (InvalidInputException e) {
+                       token = TokenNameERROR;
+                       String detailedMessage = e.getMessage();
+
+                       if (detailedMessage == Scanner.UNTERMINATED_STRING) {
+                               throwSyntaxError("Unterminated string.");
+                       } else if (detailedMessage == Scanner.UNTERMINATED_COMMENT) {
+                               throwSyntaxError("Unterminated commment.");
+                       }
+               }
+               return;
+       }
+
+       public void init(String s) {
+               // this.str = s;
+               this.token = TokenNameEOF;
+               this.includesList = new ArrayList();
+               // this.chIndx = 0;
+               // this.rowCount = 1;
+               // this.columnCount = 0;
+               // this.phpEnd = false;
+               // this.phpMode = false;
+               /* scanner initialization */
+               scanner.setSource(s.toCharArray());
+               scanner.setPHPMode(false);
+               astPtr = 0;
+       }
+
+       protected void initialize(boolean phpMode) {
+               initialize(phpMode, null);
+       }
+
+       protected void initialize(boolean phpMode, IdentifierIndexManager indexManager) {
+               compilationUnit = null;
+               referenceContext = null;
+               this.includesList = new ArrayList();
+               // this.indexManager = indexManager;
+               // this.str = "";
+               this.token = TokenNameEOF;
+               // this.chIndx = 0;
+               // this.rowCount = 1;
+               // this.columnCount = 0;
+               // this.phpEnd = false;
+               // this.phpMode = phpMode;
+               scanner.setPHPMode(phpMode);
+               astPtr = 0;
+       }
+
+       /**
+        * Parses a string with php tags i.e. '&lt;body&gt; &lt;?php phpinfo() ?&gt;
+        * &lt;/body&gt;'
+        */
+       public void parse(String s) {
+               parse(s, null);
+       }
+
+       /**
+        * Parses a string with php tags i.e. '&lt;body&gt; &lt;?php phpinfo() ?&gt;
+        * &lt;/body&gt;'
+        */
+       public void parse(String s, HashMap variables) {
+               fMethodVariables = variables;
+               fStackUnassigned = new ArrayList();
+               init(s);
+               parse();
+       }
+
+       /**
+        * Parses a string with php tags i.e. '&lt;body&gt; &lt;?php phpinfo() ?&gt;
+        * &lt;/body&gt;'
+        */
+       protected void parse() {
+               if (scanner.compilationUnit != null) {
+                       IResource resource = scanner.compilationUnit.getResource();
+                       if (resource != null && resource instanceof IFile) {
+                               // set the package name
+                               consumePackageDeclarationName((IFile) resource);
+                       }
+               }
+               getNextToken();
+               do {
+                       try {
+                               if (token != TokenNameEOF && token != TokenNameERROR) {
+                                       statementList();
+                               }
+                               if (token != TokenNameEOF) {
+                                       if (token == TokenNameERROR) {
+                                               throwSyntaxError("Scanner error (Found unknown token: " + scanner.toStringAction(token) + ")");
+                                       }
+                                       if (token == TokenNameRPAREN) {
+                                               throwSyntaxError("Too many closing ')'; end-of-file not reached.");
+                                       }
+                                       if (token == TokenNameRBRACE) {
+                                               throwSyntaxError("Too many closing '}'; end-of-file not reached.");
+                                       }
+                                       if (token == TokenNameRBRACKET) {
+                                               throwSyntaxError("Too many closing ']'; end-of-file not reached.");
+                                       }
+                                       if (token == TokenNameLPAREN) {
+                                               throwSyntaxError("Read character '('; end-of-file not reached.");
+                                       }
+                                       if (token == TokenNameLBRACE) {
+                                               throwSyntaxError("Read character '{';  end-of-file not reached.");
+                                       }
+                                       if (token == TokenNameLBRACKET) {
+                                               throwSyntaxError("Read character '[';  end-of-file not reached.");
+                                       }
+                                       throwSyntaxError("End-of-file not reached.");
+                               }
+                               break;
+                       } catch (SyntaxError syntaxError) {
+                               // syntaxError.printStackTrace();
+                               break;
+                       }
+               } while (true);
+
+               endParse(0);
+       }
+
+       /**
+        * Parses a string with php tags i.e. '&lt;body&gt; &lt;?php phpinfo() ?&gt;
+        * &lt;/body&gt;'
+        */
+       public void parseFunction(String s, HashMap variables) {
+               init(s);
+               scanner.phpMode = true;
+               parseFunction(variables);
+       }
+
+       /**
+        * Parses a string with php tags i.e. '&lt;body&gt; &lt;?php phpinfo() ?&gt;
+        * &lt;/body&gt;'
+        */
+       protected void parseFunction(HashMap variables) {
+               getNextToken();
+               boolean hasModifiers = member_modifiers();
+               if (token == TokenNamefunction) {
+                       if (!hasModifiers) {
+                               checkAndSetModifiers(AccPublic);
+                       }
+                       this.fMethodVariables = variables;
+
+                       MethodDeclaration methodDecl = new MethodDeclaration(null);
+                       methodDecl.declarationSourceStart = scanner.getCurrentTokenStartPosition();
+                       methodDecl.modifiers = this.modifiers;
+                       methodDecl.type = MethodDeclaration.METHOD_DEFINITION;
+                       try {
+                               getNextToken();
+                               functionDefinition(methodDecl);
+                       } catch (SyntaxError sytaxErr1) {
+                               return;
+                       } finally {
+                               int sourceEnd = methodDecl.sourceEnd;
+                               if (sourceEnd <= 0 || methodDecl.declarationSourceStart > sourceEnd) {
+                                       sourceEnd = methodDecl.declarationSourceStart + 1;
+                               }
+                               methodDecl.sourceEnd = sourceEnd;
+                               methodDecl.declarationSourceEnd = sourceEnd;
+                       }
+               }
+       }
+
+       protected CompilationUnitDeclaration endParse(int act) {
+
+               this.lastAct = act;
+
+               // if (currentElement != null) {
+               // currentElement.topElement().updateParseTree();
+               // if (VERBOSE_RECOVERY) {
+               // System.out.print(Util.bind("parser.syntaxRecovery")); //$NON-NLS-1$
+               // System.out.println("--------------------------"); //$NON-NLS-1$
+               // System.out.println(compilationUnit);
+               // System.out.println("----------------------------------"); //$NON-NLS-1$
+               // }
+               // } else {
+               if (diet & VERBOSE_RECOVERY) {
+                       System.out.print(Util.bind("parser.regularParse")); //$NON-NLS-1$
+                       System.out.println("--------------------------"); //$NON-NLS-1$
+                       System.out.println(compilationUnit);
+                       System.out.println("----------------------------------"); //$NON-NLS-1$
+               }
+               // }
+               if (scanner.recordLineSeparator) {
+                       compilationUnit.compilationResult.lineSeparatorPositions = scanner.getLineEnds();
+               }
+               if (scanner.taskTags != null) {
+                       for (int i = 0; i < scanner.foundTaskCount; i++) {
+                               problemReporter().task(new String(scanner.foundTaskTags[i]), new String(scanner.foundTaskMessages[i]),
+                                               scanner.foundTaskPriorities[i] == null ? null : new String(scanner.foundTaskPriorities[i]),
+                                               scanner.foundTaskPositions[i][0], scanner.foundTaskPositions[i][1]);
+                       }
+               }
+               compilationUnit.imports = new ImportReference[includesList.size()];
+               for (int i = 0; i < includesList.size(); i++) {
+                       compilationUnit.imports[i] = (ImportReference) includesList.get(i);
+               }
+               return compilationUnit;
+       }
+
+       private Block statementList() {
+               boolean branchStatement = false;
+               Statement statement;
+               int blockStart = scanner.getCurrentTokenStartPosition();
+               ArrayList blockStatements = new ArrayList();
+               do {
+                       try {
+                               statement = statement();
+                               blockStatements.add(statement);
+                               if (token == TokenNameEOF) {
+                                       return null;
+                               }
+                               if (branchStatement && statement != null) {
+                                       // reportSyntaxError("Unreachable code", statement.sourceStart,
+                                       // statement.sourceEnd);
+                                       problemReporter.unreachableCode(new String(scanner.getCurrentIdentifierSource()), statement.sourceStart,
+                                                       statement.sourceEnd, referenceContext, compilationUnit.compilationResult);
+                               }
+                               if ((token == TokenNameRBRACE) || (token == TokenNamecase) || (token == TokenNamedefault) || (token == TokenNameelse)
+                                               || (token == TokenNameelseif) || (token == TokenNameendif) || (token == TokenNameendfor)
+                                               || (token == TokenNameendforeach) || (token == TokenNameendwhile) || (token == TokenNameendswitch)
+                                               || (token == TokenNameenddeclare) || (token == TokenNameEOF) || (token == TokenNameERROR)) {
+                                       return createBlock(blockStart, blockStatements);
+                               }
+                               branchStatement = checkUnreachableStatements(statement);
+                       } catch (SyntaxError sytaxErr1) {
+                               // if an error occured,
+                               // try to find keywords
+                               // to parse the rest of the string
+                               boolean tokenize = scanner.tokenizeStrings;
+                               if (!tokenize) {
+                                       scanner.tokenizeStrings = true;
+                               }
+                               try {
+                                       while (token != TokenNameEOF) {
+                                               if ((token == TokenNameRBRACE) || (token == TokenNamecase) || (token == TokenNamedefault) || (token == TokenNameelse)
+                                                               || (token == TokenNameelseif) || (token == TokenNameendif) || (token == TokenNameendfor)
+                                                               || (token == TokenNameendforeach) || (token == TokenNameendwhile) || (token == TokenNameendswitch)
+                                                               || (token == TokenNameenddeclare) || (token == TokenNameEOF) || (token == TokenNameERROR)) {
+                                                       return createBlock(blockStart, blockStatements);
+                                               }
+                                               if (token == TokenNameif || token == TokenNameswitch || token == TokenNamefor || token == TokenNamewhile
+                                                               || token == TokenNamedo || token == TokenNameforeach || token == TokenNamecontinue || token == TokenNamebreak
+                                                               || token == TokenNamereturn || token == TokenNameexit || token == TokenNameecho || token == TokenNameglobal
+                                                               || token == TokenNamestatic || token == TokenNameunset || token == TokenNamefunction || token == TokenNamedeclare
+                                                               || token == TokenNametry || token == TokenNamecatch || token == TokenNamethrow || token == TokenNamefinal
+                                                               || token == TokenNameabstract || token == TokenNameclass || token == TokenNameinterface) {
+                                                       break;
+                                               }
+                                               // System.out.println(scanner.toStringAction(token));
+                                               getNextToken();
+                                               // System.out.println(scanner.toStringAction(token));
+                                       }
+                                       if (token == TokenNameEOF) {
+                                               throw sytaxErr1;
+                                       }
+                               } finally {
+                                       scanner.tokenizeStrings = tokenize;
+                               }
+                       }
+               } while (true);
+       }
+
+       /**
+        * @param statement
+        * @return
+        */
+       private boolean checkUnreachableStatements(Statement statement) {
+               if (statement instanceof ReturnStatement || statement instanceof ContinueStatement || statement instanceof BreakStatement) {
+                       return true;
+               } else if (statement instanceof IfStatement && ((IfStatement) statement).checkUnreachable) {
+                       return true;
+               }
+               return false;
+       }
+
+       /**
+        * @param blockStart
+        * @param blockStatements
+        * @return
+        */
+       private Block createBlock(int blockStart, ArrayList blockStatements) {
+               int blockEnd = scanner.getCurrentTokenEndPosition();
+               Block b = Block.EmptyWith(blockStart, blockEnd);
+               b.statements = new Statement[blockStatements.size()];
+               blockStatements.toArray(b.statements);
+               return b;
+       }
+
+       private void functionBody(MethodDeclaration methodDecl) {
+               // '{' [statement-list] '}'
+               if (token == TokenNameLBRACE) {
+                       getNextToken();
+               } else {
+                       methodDecl.sourceEnd = scanner.getCurrentTokenStartPosition() - 1;
+                       throwSyntaxError("'{' expected in compound-statement.");
+               }
+               if (token != TokenNameRBRACE) {
+                       statementList();
+               }
+               if (token == TokenNameRBRACE) {
+                       methodDecl.sourceEnd = scanner.getCurrentTokenEndPosition();
+                       getNextToken();
+               } else {
+                       methodDecl.sourceEnd = scanner.getCurrentTokenStartPosition() - 1;
+                       throwSyntaxError("'}' expected in compound-statement.");
+               }
+       }
+
+       private Statement statement() {
+               Statement statement = null;
+               Expression expression;
+               int sourceStart = scanner.getCurrentTokenStartPosition();
+               int sourceEnd;
+               if (token == TokenNameif) {
+                       // T_IF '(' expr ')' statement elseif_list else_single
+                       // T_IF '(' expr ')' ':' inner_statement_list new_elseif_list
+                       // new_else_single T_ENDIF ';'
+                       getNextToken();
+                       if (token == TokenNameLPAREN) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("'(' expected after 'if' keyword.");
+                       }
+                       expression = expr();
+                       if (token == TokenNameRPAREN) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("')' expected after 'if' condition.");
+                       }
+                       // create basic IfStatement
+                       IfStatement ifStatement = new IfStatement(expression, null, null, sourceStart, -1);
+                       if (token == TokenNameCOLON) {
+                               getNextToken();
+                               ifStatementColon(ifStatement);
+                       } else {
+                               ifStatement(ifStatement);
+                       }
+                       return ifStatement;
+               } else if (token == TokenNameswitch) {
+                       getNextToken();
+                       if (token == TokenNameLPAREN) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("'(' expected after 'switch' keyword.");
+                       }
+                       expr();
+                       if (token == TokenNameRPAREN) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("')' expected after 'switch' condition.");
+                       }
+                       switchStatement();
+                       return statement;
+               } else if (token == TokenNamefor) {
+                       getNextToken();
+                       if (token == TokenNameLPAREN) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("'(' expected after 'for' keyword.");
+                       }
+                       if (token == TokenNameSEMICOLON) {
+                               getNextToken();
+                       } else {
+                               expressionList();
+                               if (token == TokenNameSEMICOLON) {
+                                       getNextToken();
+                               } else {
+                                       throwSyntaxError("';' expected after 'for'.");
+                               }
+                       }
+                       if (token == TokenNameSEMICOLON) {
+                               getNextToken();
+                       } else {
+                               expressionList();
+                               if (token == TokenNameSEMICOLON) {
+                                       getNextToken();
+                               } else {
+                                       throwSyntaxError("';' expected after 'for'.");
+                               }
+                       }
+                       if (token == TokenNameRPAREN) {
+                               getNextToken();
+                       } else {
+                               expressionList();
+                               if (token == TokenNameRPAREN) {
+                                       getNextToken();
+                               } else {
+                                       throwSyntaxError("')' expected after 'for'.");
+                               }
+                       }
+                       forStatement();
+                       return statement;
+               } else if (token == TokenNamewhile) {
+                       getNextToken();
+                       if (token == TokenNameLPAREN) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("'(' expected after 'while' keyword.");
+                       }
+                       expr();
+                       if (token == TokenNameRPAREN) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("')' expected after 'while' condition.");
+                       }
+                       whileStatement();
+                       return statement;
+               } else if (token == TokenNamedo) {
+                       getNextToken();
+                       if (token == TokenNameLBRACE) {
+                               getNextToken();
+                               if (token != TokenNameRBRACE) {
+                                       statementList();
+                               }
+                               if (token == TokenNameRBRACE) {
+                                       getNextToken();
+                               } else {
+                                       throwSyntaxError("'}' expected after 'do' keyword.");
+                               }
+                       } else {
+                               statement();
+                       }
+                       if (token == TokenNamewhile) {
+                               getNextToken();
+                               if (token == TokenNameLPAREN) {
+                                       getNextToken();
+                               } else {
+                                       throwSyntaxError("'(' expected after 'while' keyword.");
+                               }
+                               expr();
+                               if (token == TokenNameRPAREN) {
+                                       getNextToken();
+                               } else {
+                                       throwSyntaxError("')' expected after 'while' condition.");
+                               }
+                       } else {
+                               throwSyntaxError("'while' expected after 'do' keyword.");
+                       }
+                       if (token == TokenNameSEMICOLON) {
+                               getNextToken();
+                       } else {
+                               if (token != TokenNameINLINE_HTML) {
+                                       throwSyntaxError("';' expected after do-while statement.");
+                               }
+                               getNextToken();
+                       }
+                       return statement;
+               } else if (token == TokenNameforeach) {
+                       getNextToken();
+                       if (token == TokenNameLPAREN) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("'(' expected after 'foreach' keyword.");
+                       }
+                       expr();
+                       if (token == TokenNameas) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("'as' expected after 'foreach' exxpression.");
+                       }
+                       // variable();
+                       foreach_variable();
+                       foreach_optional_arg();
+                       if (token == TokenNameEQUAL_GREATER) {
+                               getNextToken();
+                               variable(false, false);
+                       }
+                       if (token == TokenNameRPAREN) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("')' expected after 'foreach' expression.");
+                       }
+                       foreachStatement();
+                       return statement;
+               } else if (token == TokenNamebreak) {
+                       expression = null;
+                       getNextToken();
+                       if (token != TokenNameSEMICOLON) {
+                               expression = expr();
+                       }
+                       if (token == TokenNameSEMICOLON) {
+                               sourceEnd = scanner.getCurrentTokenEndPosition();
+                               getNextToken();
+                       } else {
+                               if (token != TokenNameINLINE_HTML) {
+                                       throwSyntaxError("';' expected after 'break'.");
+                               }
+                               sourceEnd = scanner.getCurrentTokenEndPosition();
+                               getNextToken();
+                       }
+                       return new BreakStatement(null, sourceStart, sourceEnd);
+               } else if (token == TokenNamecontinue) {
+                       expression = null;
+                       getNextToken();
+                       if (token != TokenNameSEMICOLON) {
+                               expression = expr();
+                       }
+                       if (token == TokenNameSEMICOLON) {
+                               sourceEnd = scanner.getCurrentTokenEndPosition();
+                               getNextToken();
+                       } else {
+                               if (token != TokenNameINLINE_HTML) {
+                                       throwSyntaxError("';' expected after 'continue'.");
+                               }
+                               sourceEnd = scanner.getCurrentTokenEndPosition();
+                               getNextToken();
+                       }
+                       return new ContinueStatement(null, sourceStart, sourceEnd);
+               } else if (token == TokenNamereturn) {
+                       expression = null;
+                       getNextToken();
+                       if (token != TokenNameSEMICOLON) {
+                               expression = expr();
+                       }
+                       if (token == TokenNameSEMICOLON) {
+                               sourceEnd = scanner.getCurrentTokenEndPosition();
+                               getNextToken();
+                       } else {
+                               if (token != TokenNameINLINE_HTML) {
+                                       throwSyntaxError("';' expected after 'return'.");
+                               }
+                               sourceEnd = scanner.getCurrentTokenEndPosition();
+                               getNextToken();
+                       }
+                       return new ReturnStatement(expression, sourceStart, sourceEnd);
+               } else if (token == TokenNameecho) {
+                       getNextToken();
+                       expressionList();
+                       if (token == TokenNameSEMICOLON) {
+                               getNextToken();
+                       } else {
+                               if (token != TokenNameINLINE_HTML) {
+                                       throwSyntaxError("';' expected after 'echo' statement.");
+                               }
+                               getNextToken();
+                       }
+                       return statement;
+               } else if (token == TokenNameINLINE_HTML) {
+                       if (scanner.phpExpressionTag) {
+                               // start of <?= ... ?> block
+                               getNextToken();
+                               expr();
+                               if (token == TokenNameSEMICOLON) {
+                                       getNextToken();
+                               }
+                               if (token != TokenNameINLINE_HTML) {
+                                       throwSyntaxError("Missing '?>' for open PHP expression block ('<?=').");
+                               }
+                       } else {
+                               getNextToken();
+                       }
+                       return statement;
+                       // } else if (token == TokenNameprint) {
+                       // getNextToken();
+                       // expression();
+                       // if (token == TokenNameSEMICOLON) {
+                       // getNextToken();
+                       // } else {
+                       // if (token != TokenNameStopPHP) {
+                       // throwSyntaxError("';' expected after 'print' statement.");
+                       // }
+                       // getNextToken();
+                       // }
+                       // return;
+               } else if (token == TokenNameglobal) {
+                       getNextToken();
+                       global_var_list();
+                       if (token == TokenNameSEMICOLON) {
+                               getNextToken();
+                       } else {
+                               if (token != TokenNameINLINE_HTML) {
+                                       throwSyntaxError("';' expected after 'global' statement.");
+                               }
+                               getNextToken();
+                       }
+                       return statement;
+               } else if (token == TokenNamestatic) {
+                       getNextToken();
+                       static_var_list();
+                       if (token == TokenNameSEMICOLON) {
+                               getNextToken();
+                       } else {
+                               if (token != TokenNameINLINE_HTML) {
+                                       throwSyntaxError("';' expected after 'static' statement.");
+                               }
+                               getNextToken();
+                       }
+                       return statement;
+               } else if (token == TokenNameunset) {
+                       getNextToken();
+                       if (token == TokenNameLPAREN) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("'(' expected after 'unset' statement.");
+                       }
+                       unset_variables();
+                       if (token == TokenNameRPAREN) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("')' expected after 'unset' statement.");
+                       }
+                       if (token == TokenNameSEMICOLON) {
+                               getNextToken();
+                       } else {
+                               if (token != TokenNameINLINE_HTML) {
+                                       throwSyntaxError("';' expected after 'unset' statement.");
+                               }
+                               getNextToken();
+                       }
+                       return statement;
+               } else if (token == TokenNamefunction) {
+                       MethodDeclaration methodDecl = new MethodDeclaration(this.compilationUnit.compilationResult);
+                       methodDecl.declarationSourceStart = scanner.getCurrentTokenStartPosition();
+                       methodDecl.modifiers = AccDefault;
+                       methodDecl.type = MethodDeclaration.FUNCTION_DEFINITION;
+                       try {
+                               getNextToken();
+                               functionDefinition(methodDecl);
+                       } finally {
+                               sourceEnd = methodDecl.sourceEnd;
+                               if (sourceEnd <= 0 || methodDecl.declarationSourceStart > sourceEnd) {
+                                       sourceEnd = methodDecl.declarationSourceStart + 1;
+                               }
+                               methodDecl.declarationSourceEnd = sourceEnd;
+                               methodDecl.sourceEnd = sourceEnd;
+                       }
+                       return statement;
+               } else if (token == TokenNamedeclare) {
+                       // T_DECLARE '(' declare_list ')' declare_statement
+                       getNextToken();
+                       if (token != TokenNameLPAREN) {
+                               throwSyntaxError("'(' expected in 'declare' statement.");
+                       }
+                       getNextToken();
+                       declare_list();
+                       if (token != TokenNameRPAREN) {
+                               throwSyntaxError("')' expected in 'declare' statement.");
+                       }
+                       getNextToken();
+                       declare_statement();
+                       return statement;
+               } else if (token == TokenNametry) {
+                       getNextToken();
+                       if (token != TokenNameLBRACE) {
+                               throwSyntaxError("'{' expected in 'try' statement.");
+                       }
+                       getNextToken();
+                       statementList();
+                       if (token != TokenNameRBRACE) {
+                               throwSyntaxError("'}' expected in 'try' statement.");
+                       }
+                       getNextToken();
+                       return statement;
+               } else if (token == TokenNamecatch) {
+                       getNextToken();
+                       if (token != TokenNameLPAREN) {
+                               throwSyntaxError("'(' expected in 'catch' statement.");
+                       }
+                       getNextToken();
+                       fully_qualified_class_name();
+                       if (token != TokenNameVariable) {
+                               throwSyntaxError("Variable expected in 'catch' statement.");
+                       }
+                       addVariableSet();
+                       getNextToken();
+                       if (token != TokenNameRPAREN) {
+                               throwSyntaxError("')' expected in 'catch' statement.");
+                       }
+                       getNextToken();
+                       if (token != TokenNameLBRACE) {
+                               throwSyntaxError("'{' expected in 'catch' statement.");
+                       }
+                       getNextToken();
+                       if (token != TokenNameRBRACE) {
+                               statementList();
+                               if (token != TokenNameRBRACE) {
+                                       throwSyntaxError("'}' expected in 'catch' statement.");
+                               }
+                       }
+                       getNextToken();
+                       additional_catches();
+                       return statement;
+               } else if (token == TokenNamethrow) {
+                       getNextToken();
+                       expr();
+                       if (token == TokenNameSEMICOLON) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("';' expected after 'throw' exxpression.");
+                       }
+                       return statement;
+               } else if (token == TokenNamefinal || token == TokenNameabstract || token == TokenNameclass || token == TokenNameinterface) {
+                       try {
+                               TypeDeclaration typeDecl = new TypeDeclaration(this.compilationUnit.compilationResult);
+                               typeDecl.declarationSourceStart = scanner.getCurrentTokenStartPosition();
+                               typeDecl.declarationSourceEnd = scanner.getCurrentTokenEndPosition();
+                               typeDecl.name = new char[] { ' ' };
+                               // default super class
+                               typeDecl.superclass = new SingleTypeReference(TypeConstants.OBJECT, 0);
+                               compilationUnit.types.add(typeDecl);
+                               pushOnAstStack(typeDecl);
+                               unticked_class_declaration_statement(typeDecl);
+                       } finally {
+                               // reduce stack:
+                               astPtr--;
+                               astLengthPtr--;
+                       }
+                       return statement;
+                       // } else {
+                       // throwSyntaxError("Unexpected keyword '" + keyword + "'");
+               } else if (token == TokenNameLBRACE) {
+                       getNextToken();
+                       if (token != TokenNameRBRACE) {
+                               statement = statementList();
+                       }
+                       if (token == TokenNameRBRACE) {
+                               getNextToken();
+                               return statement;
+                       } else {
+                               throwSyntaxError("'}' expected.");
+                       }
+               } else {
+                       if (token != TokenNameSEMICOLON) {
+                               expr();
+                       }
+                       if (token == TokenNameSEMICOLON) {
+                               getNextToken();
+                               return statement;
+                       } else {
+                               if (token == TokenNameRBRACE) {
+                                       reportSyntaxError("';' expected after expression (Found token: " + scanner.toStringAction(token) + ")");
+                               } else {
+                                       if (token != TokenNameINLINE_HTML && token != TokenNameEOF) {
+                                               throwSyntaxError("';' expected after expression (Found token: " + scanner.toStringAction(token) + ")");
+                                       }
+                                       getNextToken();
+                               }
+                       }
+               }
+               // may be null
+               return statement;
+       }
+
+       private void declare_statement() {
+               // statement
+               // | ':' inner_statement_list T_ENDDECLARE ';'
+               // ;
+               if (token == TokenNameCOLON) {
+                       getNextToken();
+                       // TODO: implement inner_statement_list();
+                       statementList();
+                       if (token != TokenNameenddeclare) {
+                               throwSyntaxError("'enddeclare' expected in 'declare' statement.");
+                       }
+                       getNextToken();
+                       if (token != TokenNameSEMICOLON) {
+                               throwSyntaxError("';' expected after 'enddeclare' keyword.");
+                       }
+                       getNextToken();
+               } else {
+                       statement();
+               }
+       }
+
+       private void declare_list() {
+               // T_STRING '=' static_scalar
+               // | declare_list ',' T_STRING '=' static_scalar
+               while (true) {
+                       if (token != TokenNameIdentifier) {
+                               throwSyntaxError("Identifier expected in 'declare' list.");
+                       }
+                       getNextToken();
+                       if (token != TokenNameEQUAL) {
+                               throwSyntaxError("'=' expected in 'declare' list.");
+                       }
+                       getNextToken();
+                       static_scalar();
+                       if (token != TokenNameCOMMA) {
+                               break;
+                       }
+                       getNextToken();
+               }
+       }
+
+       private void additional_catches() {
+               while (token == TokenNamecatch) {
+                       getNextToken();
+                       if (token != TokenNameLPAREN) {
+                               throwSyntaxError("'(' expected in 'catch' statement.");
+                       }
+                       getNextToken();
+                       fully_qualified_class_name();
+                       if (token != TokenNameVariable) {
+                               throwSyntaxError("Variable expected in 'catch' statement.");
+                       }
+                       addVariableSet();
+                       getNextToken();
+                       if (token != TokenNameRPAREN) {
+                               throwSyntaxError("')' expected in 'catch' statement.");
+                       }
+                       getNextToken();
+                       if (token != TokenNameLBRACE) {
+                               throwSyntaxError("'{' expected in 'catch' statement.");
+                       }
+                       getNextToken();
+                       if (token != TokenNameRBRACE) {
+                               statementList();
+                       }
+                       if (token != TokenNameRBRACE) {
+                               throwSyntaxError("'}' expected in 'catch' statement.");
+                       }
+                       getNextToken();
+               }
+       }
+
+       private void foreach_variable() {
+               // w_variable
+               // | '&' w_variable
+               if (token == TokenNameAND) {
+                       getNextToken();
+               }
+               w_variable(true);
+       }
+
+       private void foreach_optional_arg() {
+               // /* empty */
+               // | T_DOUBLE_ARROW foreach_variable
+               if (token == TokenNameEQUAL_GREATER) {
+                       getNextToken();
+                       foreach_variable();
+               }
+       }
+
+       private void global_var_list() {
+               // global_var_list:
+               // global_var_list ',' global_var
+               // | global_var
+               HashSet set = peekVariableSet();
+               while (true) {
+                       global_var(set);
+                       if (token != TokenNameCOMMA) {
+                               break;
+                       }
+                       getNextToken();
+               }
+       }
+
+       private void global_var(HashSet set) {
+               // global_var:
+               // T_VARIABLE
+               // | '$' r_variable
+               // | '$' '{' expr '}'
+               if (token == TokenNameVariable) {
+                       if (fMethodVariables != null) {
+                               VariableInfo info = new VariableInfo(scanner.getCurrentTokenStartPosition(), VariableInfo.LEVEL_GLOBAL_VAR);
+                               fMethodVariables.put(new String(scanner.getCurrentIdentifierSource()), info);
+                       }
+                       addVariableSet(set);
+                       getNextToken();
+               } else if (token == TokenNameDOLLAR) {
+                       getNextToken();
+                       if (token == TokenNameLBRACE) {
+                               getNextToken();
+                               expr();
+                               if (token != TokenNameRBRACE) {
+                                       throwSyntaxError("'}' expected in global variable.");
+                               }
+                               getNextToken();
+                       } else {
+                               r_variable();
+                       }
+               }
+       }
+
+       private void static_var_list() {
+               // static_var_list:
+               // static_var_list ',' T_VARIABLE
+               // | static_var_list ',' T_VARIABLE '=' static_scalar
+               // | T_VARIABLE
+               // | T_VARIABLE '=' static_scalar,
+               HashSet set = peekVariableSet();
+               while (true) {
+                       if (token == TokenNameVariable) {
+                               if (fMethodVariables != null) {
+                                       VariableInfo info = new VariableInfo(scanner.getCurrentTokenStartPosition(), VariableInfo.LEVEL_STATIC_VAR);
+                                       fMethodVariables.put(new String(scanner.getCurrentIdentifierSource()), info);
+                               }
+                               addVariableSet(set);
+                               getNextToken();
+                               if (token == TokenNameEQUAL) {
+                                       getNextToken();
+                                       static_scalar();
+                               }
+                               if (token != TokenNameCOMMA) {
+                                       break;
+                               }
+                               getNextToken();
+                       } else {
+                               break;
+                       }
+               }
+       }
+
+       private void unset_variables() {
+               // unset_variables:
+               // unset_variable
+               // | unset_variables ',' unset_variable
+               // unset_variable:
+               // variable
+               while (true) {
+                       variable(false, false);
+                       if (token != TokenNameCOMMA) {
+                               break;
+                       }
+                       getNextToken();
+               }
+       }
+
+       private final void initializeModifiers() {
+               this.modifiers = 0;
+               this.modifiersSourceStart = -1;
+       }
+
+       private final void checkAndSetModifiers(int flag) {
+               this.modifiers |= flag;
+               if (this.modifiersSourceStart < 0)
+                       this.modifiersSourceStart = this.scanner.startPosition;
+       }
+
+       private void unticked_class_declaration_statement(TypeDeclaration typeDecl) {
+               initializeModifiers();
+               if (token == TokenNameinterface) {
+                       // interface_entry T_STRING
+                       // interface_extends_list
+                       // '{' class_statement_list '}'
+                       checkAndSetModifiers(AccInterface);
+                       getNextToken();
+                       typeDecl.modifiers = this.modifiers;
+                       typeDecl.sourceStart = scanner.getCurrentTokenStartPosition();
+                       typeDecl.sourceEnd = scanner.getCurrentTokenEndPosition();
+                       if (token == TokenNameIdentifier || token > TokenNameKEYWORD) {
+                               typeDecl.name = scanner.getCurrentIdentifierSource();
+                               if (token > TokenNameKEYWORD) {
+                                       problemReporter.phpKeywordWarning(new String[] { scanner.toStringAction(token) }, scanner.getCurrentTokenStartPosition(),
+                                                       scanner.getCurrentTokenEndPosition(), referenceContext, compilationUnit.compilationResult);
+                                       // throwSyntaxError("Don't use a keyword for interface declaration ["
+                                       // + scanner.toStringAction(token) + "].",
+                                       // typeDecl.sourceStart, typeDecl.sourceEnd);
+                               }
+                               getNextToken();
+                               interface_extends_list(typeDecl);
+                       } else {
+                               typeDecl.name = new char[] { ' ' };
+                               throwSyntaxError("Interface name expected after keyword 'interface'.", typeDecl.sourceStart, typeDecl.sourceEnd);
+                               return;
+                       }
+               } else {
+                       // class_entry_type T_STRING extends_from
+                       // implements_list
+                       // '{' class_statement_list'}'
+                       class_entry_type();
+                       typeDecl.modifiers = this.modifiers;
+                       typeDecl.sourceStart = scanner.getCurrentTokenStartPosition();
+                       typeDecl.sourceEnd = scanner.getCurrentTokenEndPosition();
+                       // identifier
+                       // identifier 'extends' identifier
+                       if (token == TokenNameIdentifier || token > TokenNameKEYWORD) {
+                               typeDecl.name = scanner.getCurrentIdentifierSource();
+                               if (token > TokenNameKEYWORD) {
+                                       problemReporter.phpKeywordWarning(new String[] { scanner.toStringAction(token) }, scanner.getCurrentTokenStartPosition(),
+                                                       scanner.getCurrentTokenEndPosition(), referenceContext, compilationUnit.compilationResult);
+                                       // throwSyntaxError("Don't use a keyword for class declaration [" +
+                                       // scanner.toStringAction(token) + "].",
+                                       // typeDecl.sourceStart, typeDecl.sourceEnd);
+                               }
+                               getNextToken();
+                               // extends_from:
+                               // /* empty */
+                               // | T_EXTENDS fully_qualified_class_name
+                               if (token == TokenNameextends) {
+                                       interface_extends_list(typeDecl);
+                                       // getNextToken();
+                                       // if (token != TokenNameIdentifier) {
+                                       // throwSyntaxError("Class name expected after keyword
+                                       // 'extends'.",
+                                       // scanner.getCurrentTokenStartPosition(), scanner
+                                       // .getCurrentTokenEndPosition());
+                                       // }
+                               }
+                               implements_list(typeDecl);
+                       } else {
+                               typeDecl.name = new char[] { ' ' };
+                               throwSyntaxError("Class name expected after keyword 'class'.", typeDecl.sourceStart, typeDecl.sourceEnd);
+                               return;
+                       }
+               }
+               // '{' class_statement_list '}'
+               if (token == TokenNameLBRACE) {
+                       getNextToken();
+                       if (token != TokenNameRBRACE) {
+                               ArrayList list = new ArrayList();
+                               class_statement_list(list);
+                               typeDecl.fields = new FieldDeclaration[list.size()];
+                               for (int i = 0; i < list.size(); i++) {
+                                       typeDecl.fields[i] = (FieldDeclaration) list.get(i);
+                               }
+                       }
+                       if (token == TokenNameRBRACE) {
+                               typeDecl.declarationSourceEnd = scanner.getCurrentTokenEndPosition();
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("'}' expected at end of class body.");
+                       }
+               } else {
+                       throwSyntaxError("'{' expected at start of class body.");
+               }
+       }
+
+       private void class_entry_type() {
+               // T_CLASS
+               // | T_ABSTRACT T_CLASS
+               // | T_FINAL T_CLASS
+               if (token == TokenNameclass) {
+                       getNextToken();
+               } else if (token == TokenNameabstract) {
+                       checkAndSetModifiers(AccAbstract);
+                       getNextToken();
+                       if (token != TokenNameclass) {
+                               throwSyntaxError("Keyword 'class' expected after keyword 'abstract'.");
+                       }
+                       getNextToken();
+               } else if (token == TokenNamefinal) {
+                       checkAndSetModifiers(AccFinal);
+                       getNextToken();
+                       if (token != TokenNameclass) {
+                               throwSyntaxError("Keyword 'class' expected after keyword 'final'.");
+                       }
+                       getNextToken();
+               } else {
+                       throwSyntaxError("Keyword 'class' 'final' or 'abstract' expected");
+               }
+       }
+
+       // private void class_extends(TypeDeclaration typeDecl) {
+       // // /* empty */
+       // // | T_EXTENDS interface_list
+       // if (token == TokenNameextends) {
+       // getNextToken();
+       //
+       // if (token == TokenNameIdentifier) {
+       // getNextToken();
+       // } else {
+       // throwSyntaxError("Class name expected after keyword 'extends'.");
+       // }
+       // }
+       // }
+
+       private void interface_extends_list(TypeDeclaration typeDecl) {
+               // /* empty */
+               // | T_EXTENDS interface_list
+               if (token == TokenNameextends) {
+                       getNextToken();
+                       interface_list();
+               }
+       }
+
+       private void implements_list(TypeDeclaration typeDecl) {
+               // /* empty */
+               // | T_IMPLEMENTS interface_list
+               if (token == TokenNameimplements) {
+                       getNextToken();
+                       interface_list();
+               }
+       }
+
+       private void interface_list() {
+               // interface_list:
+               // fully_qualified_class_name
+               // | interface_list ',' fully_qualified_class_name
+               do {
+                       if (token == TokenNameIdentifier) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("Interface name expected after keyword 'implements'.");
+                       }
+                       if (token != TokenNameCOMMA) {
+                               return;
+                       }
+                       getNextToken();
+               } while (true);
+       }
+
+       // private void classBody(TypeDeclaration typeDecl) {
+       // //'{' [class-element-list] '}'
+       // if (token == TokenNameLBRACE) {
+       // getNextToken();
+       // if (token != TokenNameRBRACE) {
+       // class_statement_list();
+       // }
+       // if (token == TokenNameRBRACE) {
+       // typeDecl.declarationSourceEnd = scanner.getCurrentTokenEndPosition();
+       // getNextToken();
+       // } else {
+       // throwSyntaxError("'}' expected at end of class body.");
+       // }
+       // } else {
+       // throwSyntaxError("'{' expected at start of class body.");
+       // }
+       // }
+       private void class_statement_list(ArrayList list) {
+               do {
+                       try {
+                               class_statement(list);
+                               if (token == TokenNamepublic || token == TokenNameprotected || token == TokenNameprivate || token == TokenNamestatic
+                                               || token == TokenNameabstract || token == TokenNamefinal || token == TokenNamefunction || token == TokenNamevar
+                                               || token == TokenNameconst) {
+                                       continue;
+                               }
+                               if (token == TokenNameRBRACE) {
+                                       break;
+                               }
+                               throwSyntaxError("'}' at end of class statement.");
+                       } catch (SyntaxError sytaxErr1) {
+                               boolean tokenize = scanner.tokenizeStrings;
+                               if (!tokenize) {
+                                       scanner.tokenizeStrings = true;
+                               }
+                               try {
+                                       // if an error occured,
+                                       // try to find keywords
+                                       // to parse the rest of the string
+                                       while (token != TokenNameEOF) {
+                                               if (token == TokenNamepublic || token == TokenNameprotected || token == TokenNameprivate || token == TokenNamestatic
+                                                               || token == TokenNameabstract || token == TokenNamefinal || token == TokenNamefunction || token == TokenNamevar
+                                                               || token == TokenNameconst) {
+                                                       break;
+                                               }
+                                               // System.out.println(scanner.toStringAction(token));
+                                               getNextToken();
+                                       }
+                                       if (token == TokenNameEOF) {
+                                               throw sytaxErr1;
+                                       }
+                               } finally {
+                                       scanner.tokenizeStrings = tokenize;
+                               }
+                       }
+               } while (true);
+       }
+
+       private void class_statement(ArrayList list) {
+               // class_statement:
+               // variable_modifiers class_variable_declaration ';'
+               // | class_constant_declaration ';'
+               // | method_modifiers T_FUNCTION is_reference T_STRING
+               // '(' parameter_list ')' method_body
+               initializeModifiers();
+               int declarationSourceStart = scanner.getCurrentTokenStartPosition();
+
+               if (token == TokenNamevar) {
+                       checkAndSetModifiers(AccPublic);
+                       problemReporter.phpVarDeprecatedWarning(scanner.getCurrentTokenStartPosition(), scanner.getCurrentTokenEndPosition(),
+                                       referenceContext, compilationUnit.compilationResult);
+                       getNextToken();
+                       class_variable_declaration(declarationSourceStart, list);
+               } else if (token == TokenNameconst) {
+                       checkAndSetModifiers(AccFinal | AccPublic);
+                       class_constant_declaration(declarationSourceStart, list);
+                       if (token != TokenNameSEMICOLON) {
+                               throwSyntaxError("';' expected after class const declaration.");
+                       }
+                       getNextToken();
+               } else {
+                       boolean hasModifiers = member_modifiers();
+                       if (token == TokenNamefunction) {
+                               if (!hasModifiers) {
+                                       checkAndSetModifiers(AccPublic);
+                               }
+                               MethodDeclaration methodDecl = new MethodDeclaration(this.compilationUnit.compilationResult);
+                               methodDecl.declarationSourceStart = scanner.getCurrentTokenStartPosition();
+                               methodDecl.modifiers = this.modifiers;
+                               methodDecl.type = MethodDeclaration.METHOD_DEFINITION;
+                               try {
+                                       getNextToken();
+                                       functionDefinition(methodDecl);
+                               } finally {
+                                       int sourceEnd = methodDecl.sourceEnd;
+                                       if (sourceEnd <= 0 || methodDecl.declarationSourceStart > sourceEnd) {
+                                               sourceEnd = methodDecl.declarationSourceStart + 1;
+                                       }
+                                       methodDecl.declarationSourceEnd = sourceEnd;
+                                       methodDecl.sourceEnd = sourceEnd;
+                               }
+                       } else {
+                               if (!hasModifiers) {
+                                       throwSyntaxError("'public' 'private' or 'protected' modifier expected for field declarations.");
+                               }
+                               class_variable_declaration(declarationSourceStart, list);
+                       }
+               }
+       }
+
+       private void class_constant_declaration(int declarationSourceStart, ArrayList list) {
+               // class_constant_declaration ',' T_STRING '=' static_scalar
+               // | T_CONST T_STRING '=' static_scalar
+               if (token != TokenNameconst) {
+                       throwSyntaxError("'const' keyword expected in class declaration.");
+               } else {
+                       getNextToken();
+               }
+               while (true) {
+                       if (token != TokenNameIdentifier) {
+                               throwSyntaxError("Identifier expected in class const declaration.");
+                       }
+                       FieldDeclaration fieldDeclaration = new FieldDeclaration(scanner.getCurrentIdentifierSource(), scanner
+                                       .getCurrentTokenStartPosition(), scanner.getCurrentTokenEndPosition());
+                       fieldDeclaration.modifiers = this.modifiers;
+                       fieldDeclaration.declarationSourceStart = declarationSourceStart;
+                       fieldDeclaration.declarationSourceEnd = scanner.getCurrentTokenEndPosition();
+                       fieldDeclaration.modifiersSourceStart = declarationSourceStart;
+                       // fieldDeclaration.type
+                       list.add(fieldDeclaration);
+                       getNextToken();
+                       if (token != TokenNameEQUAL) {
+                               throwSyntaxError("'=' expected in class const declaration.");
+                       }
+                       getNextToken();
+                       static_scalar();
+                       if (token != TokenNameCOMMA) {
+                               break; // while(true)-loop
+                       }
+                       getNextToken();
+               }
+       }
+
+       // private void variable_modifiers() {
+       // // variable_modifiers:
+       // // non_empty_member_modifiers
+       // //| T_VAR
+       // initializeModifiers();
+       // if (token == TokenNamevar) {
+       // checkAndSetModifiers(AccPublic);
+       // reportSyntaxError(
+       // "Keyword 'var' is deprecated. Please use 'public' 'private' or
+       // 'protected'
+       // modifier for field declarations.",
+       // scanner.getCurrentTokenStartPosition(), scanner
+       // .getCurrentTokenEndPosition());
+       // getNextToken();
+       // } else {
+       // if (!member_modifiers()) {
+       // throwSyntaxError("'public' 'private' or 'protected' modifier expected for
+       // field declarations.");
+       // }
+       // }
+       // }
+       // private void method_modifiers() {
+       // //method_modifiers:
+       // // /* empty */
+       // //| non_empty_member_modifiers
+       // initializeModifiers();
+       // if (!member_modifiers()) {
+       // checkAndSetModifiers(AccPublic);
+       // }
+       // }
+       private boolean member_modifiers() {
+               // T_PUBLIC
+               // | T_PROTECTED
+               // | T_PRIVATE
+               // | T_STATIC
+               // | T_ABSTRACT
+               // | T_FINAL
+               boolean foundToken = false;
+               while (true) {
+                       if (token == TokenNamepublic) {
+                               checkAndSetModifiers(AccPublic);
+                               getNextToken();
+                               foundToken = true;
+                       } else if (token == TokenNameprotected) {
+                               checkAndSetModifiers(AccProtected);
+                               getNextToken();
+                               foundToken = true;
+                       } else if (token == TokenNameprivate) {
+                               checkAndSetModifiers(AccPrivate);
+                               getNextToken();
+                               foundToken = true;
+                       } else if (token == TokenNamestatic) {
+                               checkAndSetModifiers(AccStatic);
+                               getNextToken();
+                               foundToken = true;
+                       } else if (token == TokenNameabstract) {
+                               checkAndSetModifiers(AccAbstract);
+                               getNextToken();
+                               foundToken = true;
+                       } else if (token == TokenNamefinal) {
+                               checkAndSetModifiers(AccFinal);
+                               getNextToken();
+                               foundToken = true;
+                       } else {
+                               break;
+                       }
+               }
+               return foundToken;
+       }
+
+       private void class_variable_declaration(int declarationSourceStart, ArrayList list) {
+               // class_variable_declaration:
+               // class_variable_declaration ',' T_VARIABLE
+               // | class_variable_declaration ',' T_VARIABLE '=' static_scalar
+               // | T_VARIABLE
+               // | T_VARIABLE '=' static_scalar
+               char[] classVariable;
+               do {
+                       if (token == TokenNameVariable) {
+                               classVariable = scanner.getCurrentIdentifierSource();
+                               // indexManager.addIdentifierInformation('v', classVariable, buf, -1,
+                               // -1);
+                               FieldDeclaration fieldDeclaration = new FieldDeclaration(classVariable, scanner.getCurrentTokenStartPosition(), scanner
+                                               .getCurrentTokenEndPosition());
+                               fieldDeclaration.modifiers = this.modifiers;
+                               fieldDeclaration.declarationSourceStart = declarationSourceStart;
+                               fieldDeclaration.declarationSourceEnd = scanner.getCurrentTokenEndPosition();
+                               fieldDeclaration.modifiersSourceStart = declarationSourceStart;
+                               list.add(fieldDeclaration);
+                               if (fTypeVariables != null) {
+                                       VariableInfo info = new VariableInfo(scanner.getCurrentTokenStartPosition(), VariableInfo.LEVEL_CLASS_UNIT);
+                                       fTypeVariables.put(new String(scanner.getCurrentIdentifierSource()), info);
+                               }
+                               getNextToken();
+                               if (token == TokenNameEQUAL) {
+                                       getNextToken();
+                                       static_scalar();
+                               }
+                       } else {
+                               // if (token == TokenNamethis) {
+                               // throwSyntaxError("'$this' not allowed after keyword 'public'
+                               // 'protected' 'private' 'var'.");
+                               // }
+                               throwSyntaxError("Variable expected after keyword 'public' 'protected' 'private' 'var'.");
+                       }
+                       if (token != TokenNameCOMMA) {
+                               break;
+                       }
+                       getNextToken();
+               } while (true);
+               if (token != TokenNameSEMICOLON) {
+                       throwSyntaxError("';' expected after field declaration.");
+               }
+               getNextToken();
+       }
+
+       private void functionDefinition(MethodDeclaration methodDecl) {
+               boolean isAbstract = false;
+               if (astPtr == 0) {
+                       if (compilationUnit != null) {
+                               compilationUnit.types.add(methodDecl);
+                       }
+               } else {
+                       ASTNode node = astStack[astPtr];
+                       if (node instanceof TypeDeclaration) {
+                               TypeDeclaration typeDecl = ((TypeDeclaration) node);
+                               if (typeDecl.methods == null) {
+                                       typeDecl.methods = new AbstractMethodDeclaration[] { methodDecl };
+                               } else {
+                                       AbstractMethodDeclaration[] newMethods;
+                                       System.arraycopy(typeDecl.methods, 0, newMethods = new AbstractMethodDeclaration[typeDecl.methods.length + 1], 0,
+                                                       typeDecl.methods.length);
+                                       newMethods[typeDecl.methods.length] = methodDecl;
+                                       typeDecl.methods = newMethods;
+                               }
+                               if ((typeDecl.modifiers & AccAbstract) == AccAbstract) {
+                                       isAbstract = true;
+                               } else if ((typeDecl.modifiers & AccInterface) == AccInterface) {
+                                       isAbstract = true;
+                               }
+                       }
+               }
+               try {
+                       pushFunctionVariableSet();
+                       functionDeclarator(methodDecl);
+                       if (token == TokenNameSEMICOLON) {
+                               if (!isAbstract) {
+                                       methodDecl.sourceEnd = scanner.getCurrentTokenStartPosition() - 1;
+                                       throwSyntaxError("Body declaration expected for method: " + new String(methodDecl.selector));
+                               }
+                               getNextToken();
+                               return;
+                       }
+                       functionBody(methodDecl);
+               } finally {
+                       if (!fStackUnassigned.isEmpty()) {
+                               fStackUnassigned.remove(fStackUnassigned.size() - 1);
+                       }
+               }
+       }
+
+       private void functionDeclarator(MethodDeclaration methodDecl) {
+               // identifier '(' [parameter-list] ')'
+               if (token == TokenNameAND) {
+                       getNextToken();
+               }
+               methodDecl.sourceStart = scanner.getCurrentTokenStartPosition();
+               methodDecl.sourceEnd = scanner.getCurrentTokenEndPosition();
+               if (Scanner.isIdentifierOrKeyword(token)) {
+                       methodDecl.selector = scanner.getCurrentIdentifierSource();
+                       if (token > TokenNameKEYWORD) {
+                               problemReporter.phpKeywordWarning(new String[] { scanner.toStringAction(token) }, scanner.getCurrentTokenStartPosition(),
+                                               scanner.getCurrentTokenEndPosition(), referenceContext, compilationUnit.compilationResult);
+                       }
+                       getNextToken();
+                       if (token == TokenNameLPAREN) {
+                               getNextToken();
+                       } else {
+                               methodDecl.sourceEnd = scanner.getCurrentTokenStartPosition() - 1;
+                               throwSyntaxError("'(' expected in function declaration.");
+                       }
+                       if (token != TokenNameRPAREN) {
+                               parameter_list(methodDecl);
+                       }
+                       if (token != TokenNameRPAREN) {
+                               methodDecl.sourceEnd = scanner.getCurrentTokenStartPosition() - 1;
+                               throwSyntaxError("')' expected in function declaration.");
+                       } else {
+                               methodDecl.bodyStart = scanner.getCurrentTokenEndPosition() + 1;
+                               getNextToken();
+                       }
+               } else {
+                       methodDecl.selector = "<undefined>".toCharArray();
+                       methodDecl.sourceEnd = scanner.getCurrentTokenStartPosition() - 1;
+                       throwSyntaxError("Function name expected after keyword 'function'.");
+               }
+       }
+
+       //
+       private void parameter_list(MethodDeclaration methodDecl) {
+               // non_empty_parameter_list
+               // | /* empty */
+               non_empty_parameter_list(methodDecl, true);
+       }
+
+       private void non_empty_parameter_list(MethodDeclaration methodDecl, boolean empty_allowed) {
+               // optional_class_type T_VARIABLE
+               // | optional_class_type '&' T_VARIABLE
+               // | optional_class_type '&' T_VARIABLE '=' static_scalar
+               // | optional_class_type T_VARIABLE '=' static_scalar
+               // | non_empty_parameter_list ',' optional_class_type T_VARIABLE
+               // | non_empty_parameter_list ',' optional_class_type '&' T_VARIABLE
+               // | non_empty_parameter_list ',' optional_class_type '&' T_VARIABLE '='
+               // static_scalar
+               // | non_empty_parameter_list ',' optional_class_type T_VARIABLE '='
+               // static_scalar
+               char[] typeIdentifier = null;
+               if (token == TokenNameIdentifier || token == TokenNameVariable || token == TokenNameAND) {
+                       HashSet set = peekVariableSet();
+                       while (true) {
+                               if (token == TokenNameIdentifier) {
+                                       typeIdentifier = scanner.getCurrentIdentifierSource();
+                                       getNextToken();
+                               }
+                               if (token == TokenNameAND) {
+                                       getNextToken();
+                               }
+                               if (token == TokenNameVariable) {
+                                       if (fMethodVariables != null) {
+                                               VariableInfo info;
+                                               if (methodDecl.type == MethodDeclaration.FUNCTION_DEFINITION) {
+                                                       info = new VariableInfo(scanner.getCurrentTokenStartPosition(), VariableInfo.LEVEL_FUNCTION_DEFINITION);
+                                               } else {
+                                                       info = new VariableInfo(scanner.getCurrentTokenStartPosition(), VariableInfo.LEVEL_METHOD_DEFINITION);
+                                               }
+                                               info.typeIdentifier = typeIdentifier;
+                                               fMethodVariables.put(new String(scanner.getCurrentIdentifierSource()), info);
+                                       }
+                                       addVariableSet(set);
+                                       getNextToken();
+                                       if (token == TokenNameEQUAL) {
+                                               getNextToken();
+                                               static_scalar();
+                                       }
+                               } else {
+                                       throwSyntaxError("Variable expected in parameter list.");
+                               }
+                               if (token != TokenNameCOMMA) {
+                                       break;
+                               }
+                               getNextToken();
+                       }
+                       return;
+               }
+               if (!empty_allowed) {
+                       throwSyntaxError("Identifier expected in parameter list.");
+               }
+       }
+
+       private void optional_class_type() {
+               // /* empty */
+               // | T_STRING
+       }
+
+       // private void parameterDeclaration() {
+       // //variable
+       // //variable-reference
+       // if (token == TokenNameAND) {
+       // getNextToken();
+       // if (isVariable()) {
+       // getNextToken();
+       // } else {
+       // throwSyntaxError("Variable expected after reference operator '&'.");
+       // }
+       // }
+       // //variable '=' constant
+       // if (token == TokenNameVariable) {
+       // getNextToken();
+       // if (token == TokenNameEQUAL) {
+       // getNextToken();
+       // static_scalar();
+       // }
+       // return;
+       // }
+       // // if (token == TokenNamethis) {
+       // // throwSyntaxError("Reserved word '$this' not allowed in parameter
+       // // declaration.");
+       // // }
+       // }
+
+       private void labeledStatementList() {
+               if (token != TokenNamecase && token != TokenNamedefault) {
+                       throwSyntaxError("'case' or 'default' expected.");
+               }
+               do {
+                       if (token == TokenNamecase) {
+                               getNextToken();
+                               expr(); // constant();
+                               if (token == TokenNameCOLON || token == TokenNameSEMICOLON) {
+                                       getNextToken();
+                                       if (token == TokenNamecase || token == TokenNamedefault) {
+                                               // empty case statement ?
+                                               continue;
+                                       }
+                                       statementList();
+                               }
+                               // else if (token == TokenNameSEMICOLON) {
+                               // setMarker(
+                               // "':' expected after 'case' keyword (Found token: " +
+                               // scanner.toStringAction(token) + ")",
+                               // scanner.getCurrentTokenStartPosition(),
+                               // scanner.getCurrentTokenEndPosition(),
+                               // INFO);
+                               // getNextToken();
+                               // if (token == TokenNamecase) { // empty case statement ?
+                               // continue;
+                               // }
+                               // statementList();
+                               // }
+                               else {
+                                       throwSyntaxError("':' character expected after 'case' constant (Found token: " + scanner.toStringAction(token) + ")");
+                               }
+                       } else { // TokenNamedefault
+                               getNextToken();
+                               if (token == TokenNameCOLON || token == TokenNameSEMICOLON) {
+                                       getNextToken();
+                                       if (token == TokenNameRBRACE) {
+                                               // empty default case
+                                               break;
+                                       }
+                                       if (token != TokenNamecase) {
+                                               statementList();
+                                       }
+                               } else {
+                                       throwSyntaxError("':' character expected after 'default'.");
+                               }
+                       }
+               } while (token == TokenNamecase || token == TokenNamedefault);
+       }
+
+       private void ifStatementColon(IfStatement iState) {
+               // T_IF '(' expr ')' ':' inner_statement_list new_elseif_list
+               // new_else_single T_ENDIF ';'
+               HashSet assignedVariableSet = null;
+               try {
+                       Block b = inner_statement_list();
+                       iState.thenStatement = b;
+                       checkUnreachable(iState, b);
+               } finally {
+                       assignedVariableSet = removeIfVariableSet();
+               }
+               if (token == TokenNameelseif) {
+                       try {
+                               pushIfVariableSet();
+                               new_elseif_list(iState);
+                       } finally {
+                               HashSet set = removeIfVariableSet();
+                               if (assignedVariableSet != null && set != null) {
+                                       assignedVariableSet.addAll(set);
+                               }
+                       }
+               }
+               try {
+                       pushIfVariableSet();
+                       new_else_single(iState);
+               } finally {
+                       HashSet set = removeIfVariableSet();
+                       if (assignedVariableSet != null) {
+                               HashSet topSet = peekVariableSet();
+                               if (topSet != null) {
+                                       if (set != null) {
+                                               topSet.addAll(set);
+                                       }
+                                       topSet.addAll(assignedVariableSet);
+                               }
+                       }
+               }
+               if (token != TokenNameendif) {
+                       throwSyntaxError("'endif' expected.");
+               }
+               getNextToken();
+               if (token != TokenNameSEMICOLON) {
+                       reportSyntaxError("';' expected after if-statement.");
+                       iState.sourceEnd = scanner.getCurrentTokenStartPosition();
+               } else {
+                       iState.sourceEnd = scanner.getCurrentTokenEndPosition();
+                       getNextToken();
+               }
+       }
+
+       private void ifStatement(IfStatement iState) {
+               // T_IF '(' expr ')' statement elseif_list else_single
+               HashSet assignedVariableSet = null;
+               try {
+                       pushIfVariableSet();
+                       Statement s = statement();
+                       iState.thenStatement = s;
+                       checkUnreachable(iState, s);
+               } finally {
+                       assignedVariableSet = removeIfVariableSet();
+               }
+
+               if (token == TokenNameelseif) {
+                       try {
+                               pushIfVariableSet();
+                               elseif_list(iState);
+                       } finally {
+                               HashSet set = removeIfVariableSet();
+                               if (assignedVariableSet != null && set != null) {
+                                       assignedVariableSet.addAll(set);
+                               }
+                       }
+               }
+               try {
+                       pushIfVariableSet();
+                       else_single(iState);
+               } finally {
+                       HashSet set = removeIfVariableSet();
+                       if (assignedVariableSet != null) {
+                               HashSet topSet = peekVariableSet();
+                               if (topSet != null) {
+                                       if (set != null) {
+                                               topSet.addAll(set);
+                                       }
+                                       topSet.addAll(assignedVariableSet);
+                               }
+                       }
+               }
+       }
+
+       private void elseif_list(IfStatement iState) {
+               // /* empty */
+               // | elseif_list T_ELSEIF '(' expr ')' statement
+               ArrayList conditionList = new ArrayList();
+               ArrayList statementList = new ArrayList();
+               Expression e;
+               Statement s;
+               while (token == TokenNameelseif) {
+                       getNextToken();
+                       if (token == TokenNameLPAREN) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("'(' expected after 'elseif' keyword.");
+                       }
+                       e = expr();
+                       conditionList.add(e);
+                       if (token == TokenNameRPAREN) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("')' expected after 'elseif' condition.");
+                       }
+                       s = statement();
+                       statementList.add(s);
+                       checkUnreachable(iState, s);
+               }
+               iState.elseifConditions = new Expression[conditionList.size()];
+               iState.elseifStatements = new Statement[statementList.size()];
+               conditionList.toArray(iState.elseifConditions);
+               statementList.toArray(iState.elseifStatements);
+       }
+
+       private void new_elseif_list(IfStatement iState) {
+               // /* empty */
+               // | new_elseif_list T_ELSEIF '(' expr ')' ':' inner_statement_list
+               ArrayList conditionList = new ArrayList();
+               ArrayList statementList = new ArrayList();
+               Expression e;
+               Block b;
+               while (token == TokenNameelseif) {
+                       getNextToken();
+                       if (token == TokenNameLPAREN) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("'(' expected after 'elseif' keyword.");
+                       }
+                       e = expr();
+                       conditionList.add(e);
+                       if (token == TokenNameRPAREN) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("')' expected after 'elseif' condition.");
+                       }
+                       if (token == TokenNameCOLON) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("':' expected after 'elseif' keyword.");
+                       }
+                       b = inner_statement_list();
+                       statementList.add(b);
+                       checkUnreachable(iState, b);
+               }
+               iState.elseifConditions = new Expression[conditionList.size()];
+               iState.elseifStatements = new Statement[statementList.size()];
+               conditionList.toArray(iState.elseifConditions);
+               statementList.toArray(iState.elseifStatements);
+       }
+
+       private void else_single(IfStatement iState) {
+               // /* empty */
+               // T_ELSE statement
+               if (token == TokenNameelse) {
+                       getNextToken();
+                       Statement s = statement();
+                       iState.elseStatement = s;
+                       checkUnreachable(iState, s);
+               } else {
+                       iState.checkUnreachable = false;
+               }
+               iState.sourceEnd = scanner.getCurrentTokenStartPosition();
+       }
+
+       private void new_else_single(IfStatement iState) {
+               // /* empty */
+               // | T_ELSE ':' inner_statement_list
+               if (token == TokenNameelse) {
+                       getNextToken();
+                       if (token == TokenNameCOLON) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("':' expected after 'else' keyword.");
+                       }
+                       Block b = inner_statement_list();
+                       iState.elseStatement = b;
+                       checkUnreachable(iState, b);
+               } else {
+                       iState.checkUnreachable = false;
+               }
+       }
+
+       private Block inner_statement_list() {
+               // inner_statement_list inner_statement
+               // /* empty */
+               return statementList();
+       }
+
+       /**
+        * @param iState
+        * @param b
+        */
+       private void checkUnreachable(IfStatement iState, Statement s) {
+               if (s instanceof Block) {
+                       Block b = (Block) s;
+                       if (b.statements == null || b.statements.length == 0) {
+                               iState.checkUnreachable = false;
+                       } else {
+                               int off = b.statements.length - 1;
+                               if (!(b.statements[off] instanceof ReturnStatement) && !(b.statements[off] instanceof ContinueStatement)
+                                               && !(b.statements[off] instanceof BreakStatement)) {
+                                       if (!(b.statements[off] instanceof IfStatement) || !((IfStatement) b.statements[off]).checkUnreachable) {
+                                               iState.checkUnreachable = false;
+                                       }
+                               }
+                       }
+               } else {
+                       if (!(s instanceof ReturnStatement) && !(s instanceof ContinueStatement) && !(s instanceof BreakStatement)) {
+                               if (!(s instanceof IfStatement) || !((IfStatement) s).checkUnreachable) {
+                                       iState.checkUnreachable = false;
+                               }
+                       }
+               }
+       }
+
+       // private void elseifStatementList() {
+       // do {
+       // elseifStatement();
+       // switch (token) {
+       // case TokenNameelse:
+       // getNextToken();
+       // if (token == TokenNameCOLON) {
+       // getNextToken();
+       // if (token != TokenNameendif) {
+       // statementList();
+       // }
+       // return;
+       // } else {
+       // if (token == TokenNameif) { //'else if'
+       // getNextToken();
+       // } else {
+       // throwSyntaxError("':' expected after 'else'.");
+       // }
+       // }
+       // break;
+       // case TokenNameelseif:
+       // getNextToken();
+       // break;
+       // default:
+       // return;
+       // }
+       // } while (true);
+       // }
+
+       // private void elseifStatement() {
+       // if (token == TokenNameLPAREN) {
+       // getNextToken();
+       // expr();
+       // if (token != TokenNameRPAREN) {
+       // throwSyntaxError("')' expected in else-if-statement.");
+       // }
+       // getNextToken();
+       // if (token != TokenNameCOLON) {
+       // throwSyntaxError("':' expected in else-if-statement.");
+       // }
+       // getNextToken();
+       // if (token != TokenNameendif) {
+       // statementList();
+       // }
+       // }
+       // }
+
+       private void switchStatement() {
+               if (token == TokenNameCOLON) {
+                       // ':' [labeled-statement-list] 'endswitch' ';'
+                       getNextToken();
+                       labeledStatementList();
+                       if (token != TokenNameendswitch) {
+                               throwSyntaxError("'endswitch' expected.");
+                       }
+                       getNextToken();
+                       if (token != TokenNameSEMICOLON) {
+                               throwSyntaxError("';' expected after switch-statement.");
+                       }
+                       getNextToken();
+               } else {
+                       // '{' [labeled-statement-list] '}'
+                       if (token != TokenNameLBRACE) {
+                               throwSyntaxError("'{' expected in switch statement.");
+                       }
+                       getNextToken();
+                       if (token != TokenNameRBRACE) {
+                               labeledStatementList();
+                       }
+                       if (token != TokenNameRBRACE) {
+                               throwSyntaxError("'}' expected in switch statement.");
+                       }
+                       getNextToken();
+               }
+       }
+
+       private void forStatement() {
+               if (token == TokenNameCOLON) {
+                       getNextToken();
+                       statementList();
+                       if (token != TokenNameendfor) {
+                               throwSyntaxError("'endfor' expected.");
+                       }
+                       getNextToken();
+                       if (token != TokenNameSEMICOLON) {
+                               throwSyntaxError("';' expected after for-statement.");
+                       }
+                       getNextToken();
+               } else {
+                       statement();
+               }
+       }
+
+       private void whileStatement() {
+               // ':' statement-list 'endwhile' ';'
+               if (token == TokenNameCOLON) {
+                       getNextToken();
+                       statementList();
+                       if (token != TokenNameendwhile) {
+                               throwSyntaxError("'endwhile' expected.");
+                       }
+                       getNextToken();
+                       if (token != TokenNameSEMICOLON) {
+                               throwSyntaxError("';' expected after while-statement.");
+                       }
+                       getNextToken();
+               } else {
+                       statement();
+               }
+       }
+
+       private void foreachStatement() {
+               if (token == TokenNameCOLON) {
+                       getNextToken();
+                       statementList();
+                       if (token != TokenNameendforeach) {
+                               throwSyntaxError("'endforeach' expected.");
+                       }
+                       getNextToken();
+                       if (token != TokenNameSEMICOLON) {
+                               throwSyntaxError("';' expected after foreach-statement.");
+                       }
+                       getNextToken();
+               } else {
+                       statement();
+               }
+       }
+
+       // private void exitStatus() {
+       // if (token == TokenNameLPAREN) {
+       // getNextToken();
+       // } else {
+       // throwSyntaxError("'(' expected in 'exit-status'.");
+       // }
+       // if (token != TokenNameRPAREN) {
+       // expression();
+       // }
+       // if (token == TokenNameRPAREN) {
+       // getNextToken();
+       // } else {
+       // throwSyntaxError("')' expected after 'exit-status'.");
+       // }
+       // }
+       private void expressionList() {
+               do {
+                       expr();
+                       if (token == TokenNameCOMMA) {
+                               getNextToken();
+                       } else {
+                               break;
+                       }
+               } while (true);
+       }
+
+       private Expression expr() {
+               // r_variable
+               // | expr_without_variable
+               // if (token!=TokenNameEOF) {
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: expr()");
+               }
+               return expr_without_variable(true);
+               // }
+       }
+
+       private Expression expr_without_variable(boolean only_variable) {
+               int exprSourceStart = scanner.getCurrentTokenStartPosition();
+               int exprSourceEnd = scanner.getCurrentTokenEndPosition();
+               Expression expression = new Expression();
+               expression.sourceStart = exprSourceStart;
+               // default, may be overwritten
+               expression.sourceEnd = exprSourceEnd;
+               try {
+                       // internal_functions_in_yacc
+                       // | T_CLONE expr
+                       // | T_PRINT expr
+                       // | '(' expr ')'
+                       // | '@' expr
+                       // | '+' expr
+                       // | '-' expr
+                       // | '!' expr
+                       // | '~' expr
+                       // | T_INC rw_variable
+                       // | T_DEC rw_variable
+                       // | T_INT_CAST expr
+                       // | T_DOUBLE_CAST expr
+                       // | T_STRING_CAST expr
+                       // | T_ARRAY_CAST expr
+                       // | T_OBJECT_CAST expr
+                       // | T_BOOL_CAST expr
+                       // | T_UNSET_CAST expr
+                       // | T_EXIT exit_expr
+                       // | scalar
+                       // | T_ARRAY '(' array_pair_list ')'
+                       // | '`' encaps_list '`'
+                       // | T_LIST '(' assignment_list ')' '=' expr
+                       // | T_NEW class_name_reference ctor_arguments
+                       // | variable '=' expr
+                       // | variable '=' '&' variable
+                       // | variable '=' '&' T_NEW class_name_reference ctor_arguments
+                       // | variable T_PLUS_EQUAL expr
+                       // | variable T_MINUS_EQUAL expr
+                       // | variable T_MUL_EQUAL expr
+                       // | variable T_DIV_EQUAL expr
+                       // | variable T_CONCAT_EQUAL expr
+                       // | variable T_MOD_EQUAL expr
+                       // | variable T_AND_EQUAL expr
+                       // | variable T_OR_EQUAL expr
+                       // | variable T_XOR_EQUAL expr
+                       // | variable T_SL_EQUAL expr
+                       // | variable T_SR_EQUAL expr
+                       // | rw_variable T_INC
+                       // | rw_variable T_DEC
+                       // | expr T_BOOLEAN_OR expr
+                       // | expr T_BOOLEAN_AND expr
+                       // | expr T_LOGICAL_OR expr
+                       // | expr T_LOGICAL_AND expr
+                       // | expr T_LOGICAL_XOR expr
+                       // | expr '|' expr
+                       // | expr '&' expr
+                       // | expr '^' expr
+                       // | expr '.' expr
+                       // | expr '+' expr
+                       // | expr '-' expr
+                       // | expr '*' expr
+                       // | expr '/' expr
+                       // | expr '%' expr
+                       // | expr T_SL expr
+                       // | expr T_SR expr
+                       // | expr T_IS_IDENTICAL expr
+                       // | expr T_IS_NOT_IDENTICAL expr
+                       // | expr T_IS_EQUAL expr
+                       // | expr T_IS_NOT_EQUAL expr
+                       // | expr '<' expr
+                       // | expr T_IS_SMALLER_OR_EQUAL expr
+                       // | expr '>' expr
+                       // | expr T_IS_GREATER_OR_EQUAL expr
+                       // | expr T_INSTANCEOF class_name_reference
+                       // | expr '?' expr ':' expr
+                       if (Scanner.TRACE) {
+                               System.out.println("TRACE: expr_without_variable() PART 1");
+                       }
+                       switch (token) {
+                       case TokenNameisset:
+                               // T_ISSET '(' isset_variables ')'
+                               getNextToken();
+                               if (token != TokenNameLPAREN) {
+                                       throwSyntaxError("'(' expected after keyword 'isset'");
+                               }
+                               getNextToken();
+                               isset_variables();
+                               if (token != TokenNameRPAREN) {
+                                       throwSyntaxError("')' expected after keyword 'isset'");
+                               }
+                               getNextToken();
+                               break;
+                       case TokenNameempty:
+                               getNextToken();
+                               if (token != TokenNameLPAREN) {
+                                       throwSyntaxError("'(' expected after keyword 'empty'");
+                               }
+                               getNextToken();
+                               variable(true, false);
+                               if (token != TokenNameRPAREN) {
+                                       throwSyntaxError("')' expected after keyword 'empty'");
+                               }
+                               getNextToken();
+                               break;
+                       case TokenNameeval:
+                       case TokenNameinclude:
+                       case TokenNameinclude_once:
+                       case TokenNamerequire:
+                       case TokenNamerequire_once:
+                               internal_functions_in_yacc();
+                               break;
+                       // | '(' expr ')'
+                       case TokenNameLPAREN:
+                               getNextToken();
+                               expr();
+                               if (token == TokenNameRPAREN) {
+                                       getNextToken();
+                               } else {
+                                       throwSyntaxError("')' expected in expression.");
+                               }
+                               break;
+                       // | T_CLONE expr
+                       // | T_PRINT expr
+                       // | '@' expr
+                       // | '+' expr
+                       // | '-' expr
+                       // | '!' expr
+                       // | '~' expr
+                       // | T_INT_CAST expr
+                       // | T_DOUBLE_CAST expr
+                       // | T_STRING_CAST expr
+                       // | T_ARRAY_CAST expr
+                       // | T_OBJECT_CAST expr
+                       // | T_BOOL_CAST expr
+                       // | T_UNSET_CAST expr
+                       case TokenNameclone:
+                       case TokenNameprint:
+                       case TokenNameAT:
+                       case TokenNamePLUS:
+                       case TokenNameMINUS:
+                       case TokenNameNOT:
+                       case TokenNameTWIDDLE:
+                       case TokenNameintCAST:
+                       case TokenNamedoubleCAST:
+                       case TokenNamestringCAST:
+                       case TokenNamearrayCAST:
+                       case TokenNameobjectCAST:
+                       case TokenNameboolCAST:
+                       case TokenNameunsetCAST:
+                               getNextToken();
+                               expr();
+                               break;
+                       case TokenNameexit:
+                               getNextToken();
+                               exit_expr();
+                               break;
+                       // scalar:
+                       // T_STRING
+                       // | T_STRING_VARNAME
+                       // | class_constant
+                       // | T_START_HEREDOC encaps_list T_END_HEREDOC
+                       // | '`' encaps_list '`'
+                       // | common_scalar
+                       // | '`' encaps_list '`'
+                       // case TokenNameEncapsedString0:
+                       // scanner.encapsedStringStack.push(new Character('`'));
+                       // getNextToken();
+                       // try {
+                       // if (token == TokenNameEncapsedString0) {
+                       // } else {
+                       // encaps_list();
+                       // if (token != TokenNameEncapsedString0) {
+                       // throwSyntaxError("\'`\' expected at end of string" + "(Found token: " +
+                       // scanner.toStringAction(token) + " )");
+                       // }
+                       // }
+                       // } finally {
+                       // scanner.encapsedStringStack.pop();
+                       // getNextToken();
+                       // }
+                       // break;
+                       // // | '\'' encaps_list '\''
+                       // case TokenNameEncapsedString1:
+                       // scanner.encapsedStringStack.push(new Character('\''));
+                       // getNextToken();
+                       // try {
+                       // exprSourceStart = scanner.getCurrentTokenStartPosition();
+                       // if (token == TokenNameEncapsedString1) {
+                       // expression = new
+                       // StringLiteralSQ(scanner.getCurrentStringLiteralSource(exprSourceStart),
+                       // exprSourceStart, scanner
+                       // .getCurrentTokenEndPosition());
+                       // } else {
+                       // encaps_list();
+                       // if (token != TokenNameEncapsedString1) {
+                       // throwSyntaxError("\'\'\' expected at end of string" + "(Found token: "
+                       // + scanner.toStringAction(token) + " )");
+                       // } else {
+                       // expression = new
+                       // StringLiteralSQ(scanner.getCurrentStringLiteralSource(exprSourceStart),
+                       // exprSourceStart, scanner
+                       // .getCurrentTokenEndPosition());
+                       // }
+                       // }
+                       // } finally {
+                       // scanner.encapsedStringStack.pop();
+                       // getNextToken();
+                       // }
+                       // break;
+                       // //| '"' encaps_list '"'
+                       // case TokenNameEncapsedString2:
+                       // scanner.encapsedStringStack.push(new Character('"'));
+                       // getNextToken();
+                       // try {
+                       // exprSourceStart = scanner.getCurrentTokenStartPosition();
+                       // if (token == TokenNameEncapsedString2) {
+                       // expression = new
+                       // StringLiteralDQ(scanner.getCurrentStringLiteralSource(exprSourceStart),
+                       // exprSourceStart, scanner
+                       // .getCurrentTokenEndPosition());
+                       // } else {
+                       // encaps_list();
+                       // if (token != TokenNameEncapsedString2) {
+                       // throwSyntaxError("'\"' expected at end of string" + "(Found token: " +
+                       // scanner.toStringAction(token) + " )");
+                       // } else {
+                       // expression = new
+                       // StringLiteralDQ(scanner.getCurrentStringLiteralSource(exprSourceStart),
+                       // exprSourceStart, scanner
+                       // .getCurrentTokenEndPosition());
+                       // }
+                       // }
+                       // } finally {
+                       // scanner.encapsedStringStack.pop();
+                       // getNextToken();
+                       // }
+                       // break;
+                       case TokenNameStringDoubleQuote:
+                               expression = new StringLiteralDQ(scanner.getCurrentStringLiteralSource(), scanner.getCurrentTokenStartPosition(), scanner
+                                               .getCurrentTokenEndPosition());
+                               common_scalar();
+                               break;
+                       case TokenNameStringSingleQuote:
+                               expression = new StringLiteralSQ(scanner.getCurrentStringLiteralSource(), scanner.getCurrentTokenStartPosition(), scanner
+                                               .getCurrentTokenEndPosition());
+                               common_scalar();
+                               break;
+                       case TokenNameIntegerLiteral:
+                       case TokenNameDoubleLiteral:
+                       case TokenNameStringInterpolated:
+                       case TokenNameFILE:
+                       case TokenNameLINE:
+                       case TokenNameCLASS_C:
+                       case TokenNameMETHOD_C:
+                       case TokenNameFUNC_C:
+                               common_scalar();
+                               break;
+                       case TokenNameHEREDOC:
+                               getNextToken();
+                               break;
+                       case TokenNamearray:
+                               // T_ARRAY '(' array_pair_list ')'
+                               getNextToken();
+                               if (token == TokenNameLPAREN) {
+                                       getNextToken();
+                                       if (token == TokenNameRPAREN) {
+                                               getNextToken();
+                                               break;
+                                       }
+                                       array_pair_list();
+                                       if (token != TokenNameRPAREN) {
+                                               throwSyntaxError("')' or ',' expected after keyword 'array'" + "(Found token: " + scanner.toStringAction(token) + ")");
+                                       }
+                                       getNextToken();
+                               } else {
+                                       throwSyntaxError("'(' expected after keyword 'array'" + "(Found token: " + scanner.toStringAction(token) + ")");
+                               }
+                               break;
+                       case TokenNamelist:
+                               // | T_LIST '(' assignment_list ')' '=' expr
+                               getNextToken();
+                               if (token == TokenNameLPAREN) {
+                                       getNextToken();
+                                       assignment_list();
+                                       if (token != TokenNameRPAREN) {
+                                               throwSyntaxError("')' expected after 'list' keyword.");
+                                       }
+                                       getNextToken();
+                                       if (token != TokenNameEQUAL) {
+                                               throwSyntaxError("'=' expected after 'list' keyword.");
+                                       }
+                                       getNextToken();
+                                       expr();
+                               } else {
+                                       throwSyntaxError("'(' expected after 'list' keyword.");
+                               }
+                               break;
+                       case TokenNamenew:
+                               // | T_NEW class_name_reference ctor_arguments
+                               getNextToken();
+                               Expression typeRef = class_name_reference();
+                               ctor_arguments();
+                               if (typeRef != null) {
+                                       expression = typeRef;
+                               }
+                               break;
+                       // | T_INC rw_variable
+                       // | T_DEC rw_variable
+                       case TokenNamePLUS_PLUS:
+                       case TokenNameMINUS_MINUS:
+                               getNextToken();
+                               rw_variable();
+                               break;
+                       // | variable '=' expr
+                       // | variable '=' '&' variable
+                       // | variable '=' '&' T_NEW class_name_reference ctor_arguments
+                       // | variable T_PLUS_EQUAL expr
+                       // | variable T_MINUS_EQUAL expr
+                       // | variable T_MUL_EQUAL expr
+                       // | variable T_DIV_EQUAL expr
+                       // | variable T_CONCAT_EQUAL expr
+                       // | variable T_MOD_EQUAL expr
+                       // | variable T_AND_EQUAL expr
+                       // | variable T_OR_EQUAL expr
+                       // | variable T_XOR_EQUAL expr
+                       // | variable T_SL_EQUAL expr
+                       // | variable T_SR_EQUAL expr
+                       // | rw_variable T_INC
+                       // | rw_variable T_DEC
+                       case TokenNameIdentifier:
+                       case TokenNameVariable:
+                       case TokenNameDOLLAR:
+                               Expression lhs = null;
+                               boolean rememberedVar = false;
+                               if (token == TokenNameIdentifier) {
+                                       lhs = identifier(true, true);
+                                       if (lhs != null) {
+                                               expression = lhs;
+                                       }
+                               } else {
+                                       lhs = variable(true, true);
+                                       if (lhs != null) {
+                                               expression = lhs;
+                                       }
+                                       if (lhs != null && lhs instanceof FieldReference && token != TokenNameEQUAL && token != TokenNamePLUS_EQUAL
+                                                       && token != TokenNameMINUS_EQUAL && token != TokenNameMULTIPLY_EQUAL && token != TokenNameDIVIDE_EQUAL
+                                                       && token != TokenNameDOT_EQUAL && token != TokenNameREMAINDER_EQUAL && token != TokenNameAND_EQUAL
+                                                       && token != TokenNameOR_EQUAL && token != TokenNameXOR_EQUAL && token != TokenNameRIGHT_SHIFT_EQUAL
+                                                       && token != TokenNameLEFT_SHIFT_EQUAL) {
+                                               FieldReference ref = (FieldReference) lhs;
+                                               if (!containsVariableSet(ref.token)) {
+                                                       problemReporter.uninitializedLocalVariable(new String(ref.token), ref.sourceStart(), ref.sourceEnd(),
+                                                                       referenceContext, compilationUnit.compilationResult);
+                                                       addVariableSet(ref.token);
+                                               }
+                                       }
+                               }
+                               switch (token) {
+                               case TokenNameEQUAL:
+                                       if (lhs != null && lhs instanceof FieldReference) {
+                                               addVariableSet(((FieldReference) lhs).token);
+                                       }
+                                       getNextToken();
+                                       if (token == TokenNameAND) {
+                                               getNextToken();
+                                               if (token == TokenNamenew) {
+                                                       // | variable '=' '&' T_NEW class_name_reference
+                                                       // ctor_arguments
+                                                       getNextToken();
+                                                       SingleTypeReference classRef = class_name_reference();
+                                                       ctor_arguments();
+                                                       if (classRef != null) {
+                                                               if (lhs != null && lhs instanceof FieldReference) {
+                                                                       // example:
+                                                                       // $var = & new Object();
+                                                                       if (fMethodVariables != null) {
+                                                                               VariableInfo lhsInfo = new VariableInfo(((FieldReference) lhs).sourceStart());
+                                                                               lhsInfo.reference = classRef;
+                                                                               lhsInfo.typeIdentifier = classRef.token;
+                                                                               fMethodVariables.put(new String(((FieldReference) lhs).token), lhsInfo);
+                                                                               rememberedVar = true;
+                                                                       }
+                                                               }
+                                                       }
+                                               } else {
+                                                       Expression rhs = variable(false, false);
+                                                       if (rhs != null && rhs instanceof FieldReference && lhs != null && lhs instanceof FieldReference) {
+                                                               // example:
+                                                               // $var = &$ref;
+                                                               if (fMethodVariables != null) {
+                                                                       VariableInfo rhsInfo = (VariableInfo) fMethodVariables.get(((FieldReference) rhs).token);
+                                                                       if (rhsInfo != null && rhsInfo.reference != null) {
+                                                                               VariableInfo lhsInfo = new VariableInfo(((FieldReference) lhs).sourceStart());
+                                                                               lhsInfo.reference = rhsInfo.reference;
+                                                                               lhsInfo.typeIdentifier = rhsInfo.typeIdentifier;
+                                                                               fMethodVariables.put(new String(((FieldReference) lhs).token), lhsInfo);
+                                                                               rememberedVar = true;
+                                                                       }
+                                                               }
+                                                       }
+                                               }
+                                       } else {
+                                               Expression rhs = expr();
+                                               if (lhs != null && lhs instanceof FieldReference) {
+                                                       if (rhs != null && rhs instanceof FieldReference) {
+                                                               // example:
+                                                               // $var = $ref;
+                                                               if (fMethodVariables != null) {
+                                                                       VariableInfo rhsInfo = (VariableInfo) fMethodVariables.get(((FieldReference) rhs).token);
+                                                                       if (rhsInfo != null && rhsInfo.reference != null) {
+                                                                               VariableInfo lhsInfo = new VariableInfo(((FieldReference) lhs).sourceStart());
+                                                                               lhsInfo.reference = rhsInfo.reference;
+                                                                               lhsInfo.typeIdentifier = rhsInfo.typeIdentifier;
+                                                                               fMethodVariables.put(new String(((FieldReference) lhs).token), lhsInfo);
+                                                                               rememberedVar = true;
+                                                                       }
+                                                               }
+                                                       } else if (rhs != null && rhs instanceof SingleTypeReference) {
+                                                               // example:
+                                                               // $var = new Object();
+                                                               if (fMethodVariables != null) {
+                                                                       VariableInfo lhsInfo = new VariableInfo(((FieldReference) lhs).sourceStart());
+                                                                       lhsInfo.reference = (SingleTypeReference) rhs;
+                                                                       lhsInfo.typeIdentifier = ((SingleTypeReference) rhs).token;
+                                                                       fMethodVariables.put(new String(((FieldReference) lhs).token), lhsInfo);
+                                                                       rememberedVar = true;
+                                                               }
+                                                       }
+                                               }
+                                       }
+                                       if (rememberedVar == false && lhs != null && lhs instanceof FieldReference) {
+                                               if (fMethodVariables != null) {
+                                                       VariableInfo lhsInfo = new VariableInfo(((FieldReference) lhs).sourceStart());
+                                                       fMethodVariables.put(new String(((FieldReference) lhs).token), lhsInfo);
+                                               }
+                                       }
+                                       break;
+                               case TokenNamePLUS_EQUAL:
+                               case TokenNameMINUS_EQUAL:
+                               case TokenNameMULTIPLY_EQUAL:
+                               case TokenNameDIVIDE_EQUAL:
+                               case TokenNameDOT_EQUAL:
+                               case TokenNameREMAINDER_EQUAL:
+                               case TokenNameAND_EQUAL:
+                               case TokenNameOR_EQUAL:
+                               case TokenNameXOR_EQUAL:
+                               case TokenNameRIGHT_SHIFT_EQUAL:
+                               case TokenNameLEFT_SHIFT_EQUAL:
+                                       if (lhs != null && lhs instanceof FieldReference) {
+                                               addVariableSet(((FieldReference) lhs).token);
+                                       }
+                                       getNextToken();
+                                       expr();
+                                       break;
+                               case TokenNamePLUS_PLUS:
+                               case TokenNameMINUS_MINUS:
+                                       getNextToken();
+                                       break;
+                               default:
+                                       if (!only_variable) {
+                                               throwSyntaxError("Variable expression not allowed (found token '" + scanner.toStringAction(token) + "').");
+                                       }
+                                       if (lhs != null) {
+                                               expression = lhs;
+                                       }
+                               }
+                               break;
+                       default:
+                               if (token != TokenNameINLINE_HTML) {
+                                       if (token > TokenNameKEYWORD) {
+                                               getNextToken();
+                                               break;
+                                       } else {
+                                               // System.out.println(scanner.getCurrentTokenStartPosition());
+                                               // System.out.println(scanner.getCurrentTokenEndPosition());
+
+                                               throwSyntaxError("Error in expression (found token '" + scanner.toStringAction(token) + "').");
+                                       }
+                               }
+                               return expression;
+                       }
+                       if (Scanner.TRACE) {
+                               System.out.println("TRACE: expr_without_variable() PART 2");
+                       }
+                       // | expr T_BOOLEAN_OR expr
+                       // | expr T_BOOLEAN_AND expr
+                       // | expr T_LOGICAL_OR expr
+                       // | expr T_LOGICAL_AND expr
+                       // | expr T_LOGICAL_XOR expr
+                       // | expr '|' expr
+                       // | expr '&' expr
+                       // | expr '^' expr
+                       // | expr '.' expr
+                       // | expr '+' expr
+                       // | expr '-' expr
+                       // | expr '*' expr
+                       // | expr '/' expr
+                       // | expr '%' expr
+                       // | expr T_SL expr
+                       // | expr T_SR expr
+                       // | expr T_IS_IDENTICAL expr
+                       // | expr T_IS_NOT_IDENTICAL expr
+                       // | expr T_IS_EQUAL expr
+                       // | expr T_IS_NOT_EQUAL expr
+                       // | expr '<' expr
+                       // | expr T_IS_SMALLER_OR_EQUAL expr
+                       // | expr '>' expr
+                       // | expr T_IS_GREATER_OR_EQUAL expr
+                       while (true) {
+                               switch (token) {
+                               case TokenNameOR_OR:
+                                       getNextToken();
+                                       expression = new OR_OR_Expression(expression, expr(), token);
+                                       break;
+                               case TokenNameAND_AND:
+                                       getNextToken();
+                                       expression = new AND_AND_Expression(expression, expr(), token);
+                                       break;
+                               case TokenNameEQUAL_EQUAL:
+                                       getNextToken();
+                                       expression = new EqualExpression(expression, expr(), token);
+                                       break;
+                               case TokenNameand:
+                               case TokenNameor:
+                               case TokenNamexor:
+                               case TokenNameAND:
+                               case TokenNameOR:
+                               case TokenNameXOR:
+                               case TokenNameDOT:
+                               case TokenNamePLUS:
+                               case TokenNameMINUS:
+                               case TokenNameMULTIPLY:
+                               case TokenNameDIVIDE:
+                               case TokenNameREMAINDER:
+                               case TokenNameLEFT_SHIFT:
+                               case TokenNameRIGHT_SHIFT:
+                               case TokenNameEQUAL_EQUAL_EQUAL:
+                               case TokenNameNOT_EQUAL_EQUAL:
+                               case TokenNameNOT_EQUAL:
+                               case TokenNameLESS:
+                               case TokenNameLESS_EQUAL:
+                               case TokenNameGREATER:
+                               case TokenNameGREATER_EQUAL:
+                                       getNextToken();
+                                       expression = new BinaryExpression(expression, expr(), token);
+                                       break;
+                               // | expr T_INSTANCEOF class_name_reference
+                               // | expr '?' expr ':' expr
+                               case TokenNameinstanceof:
+                                       getNextToken();
+                                       TypeReference classRef = class_name_reference();
+                                       if (classRef != null) {
+                                               expression = new InstanceOfExpression(expression, classRef, OperatorIds.INSTANCEOF);
+                                               expression.sourceStart = exprSourceStart;
+                                               expression.sourceEnd = scanner.getCurrentTokenEndPosition();
+                                       }
+                                       break;
+                               case TokenNameQUESTION:
+                                       getNextToken();
+                                       Expression valueIfTrue = expr();
+                                       if (token != TokenNameCOLON) {
+                                               throwSyntaxError("':' expected in conditional expression.");
+                                       }
+                                       getNextToken();
+                                       Expression valueIfFalse = expr();
+
+                                       expression = new ConditionalExpression(expression, valueIfTrue, valueIfFalse);
+                                       break;
+                               default:
+                                       return expression;
+                               }
+                       }
+               } catch (SyntaxError e) {
+                       // try to find next token after expression with errors:
+                       if (token == TokenNameSEMICOLON) {
+                               getNextToken();
+                               return expression;
+                       }
+                       if (token == TokenNameRBRACE || token == TokenNameRPAREN || token == TokenNameRBRACKET) {
+                               getNextToken();
+                               return expression;
+                       }
+                       throw e;
+               }
+       }
+
+       private SingleTypeReference class_name_reference() {
+               // class_name_reference:
+               // T_STRING
+               // | dynamic_class_name_reference
+               SingleTypeReference ref = null;
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: class_name_reference()");
+               }
+               if (token == TokenNameIdentifier) {
+                       ref = new SingleTypeReference(scanner.getCurrentIdentifierSource(), scanner.getCurrentTokenStartPosition());
+                       getNextToken();
+               } else {
+                       ref = null;
+                       dynamic_class_name_reference();
+               }
+               return ref;
+       }
+
+       private void dynamic_class_name_reference() {
+               // dynamic_class_name_reference:
+               // base_variable T_OBJECT_OPERATOR object_property
+               // dynamic_class_name_variable_properties
+               // | base_variable
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: dynamic_class_name_reference()");
+               }
+               base_variable(true);
+               if (token == TokenNameMINUS_GREATER) {
+                       getNextToken();
+                       object_property();
+                       dynamic_class_name_variable_properties();
+               }
+       }
+
+       private void dynamic_class_name_variable_properties() {
+               // dynamic_class_name_variable_properties:
+               // dynamic_class_name_variable_properties
+               // dynamic_class_name_variable_property
+               // | /* empty */
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: dynamic_class_name_variable_properties()");
+               }
+               while (token == TokenNameMINUS_GREATER) {
+                       dynamic_class_name_variable_property();
+               }
+       }
+
+       private void dynamic_class_name_variable_property() {
+               // dynamic_class_name_variable_property:
+               // T_OBJECT_OPERATOR object_property
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: dynamic_class_name_variable_property()");
+               }
+               if (token == TokenNameMINUS_GREATER) {
+                       getNextToken();
+                       object_property();
+               }
+       }
+
+       private void ctor_arguments() {
+               // ctor_arguments:
+               // /* empty */
+               // | '(' function_call_parameter_list ')'
+               if (token == TokenNameLPAREN) {
+                       getNextToken();
+                       if (token == TokenNameRPAREN) {
+                               getNextToken();
+                               return;
+                       }
+                       non_empty_function_call_parameter_list();
+                       if (token != TokenNameRPAREN) {
+                               throwSyntaxError("')' expected in ctor_arguments.");
+                       }
+                       getNextToken();
+               }
+       }
+
+       private void assignment_list() {
+               // assignment_list:
+               // assignment_list ',' assignment_list_element
+               // | assignment_list_element
+               while (true) {
+                       assignment_list_element();
+                       if (token != TokenNameCOMMA) {
+                               break;
+                       }
+                       getNextToken();
+               }
+       }
+
+       private void assignment_list_element() {
+               // assignment_list_element:
+               // variable
+               // | T_LIST '(' assignment_list ')'
+               // | /* empty */
+               if (token == TokenNameVariable) {
+                       variable(true, false);
+               } else if (token == TokenNameDOLLAR) {
+                       variable(false, false);
+               } else {
+                       if (token == TokenNamelist) {
+                               getNextToken();
+                               if (token == TokenNameLPAREN) {
+                                       getNextToken();
+                                       assignment_list();
+                                       if (token != TokenNameRPAREN) {
+                                               throwSyntaxError("')' expected after 'list' keyword.");
+                                       }
+                                       getNextToken();
+                               } else {
+                                       throwSyntaxError("'(' expected after 'list' keyword.");
+                               }
+                       }
+               }
+       }
+
+       private void array_pair_list() {
+               // array_pair_list:
+               // /* empty */
+               // | non_empty_array_pair_list possible_comma
+               non_empty_array_pair_list();
+               if (token == TokenNameCOMMA) {
+                       getNextToken();
+               }
+       }
+
+       private void non_empty_array_pair_list() {
+               // non_empty_array_pair_list:
+               // non_empty_array_pair_list ',' expr T_DOUBLE_ARROW expr
+               // | non_empty_array_pair_list ',' expr
+               // | expr T_DOUBLE_ARROW expr
+               // | expr
+               // | non_empty_array_pair_list ',' expr T_DOUBLE_ARROW '&' w_variable
+               // | non_empty_array_pair_list ',' '&' w_variable
+               // | expr T_DOUBLE_ARROW '&' w_variable
+               // | '&' w_variable
+               while (true) {
+                       if (token == TokenNameAND) {
+                               getNextToken();
+                               variable(true, false);
+                       } else {
+                               expr();
+                               if (token == TokenNameAND) {
+                                       getNextToken();
+                                       variable(true, false);
+                               } else if (token == TokenNameEQUAL_GREATER) {
+                                       getNextToken();
+                                       if (token == TokenNameAND) {
+                                               getNextToken();
+                                               variable(true, false);
+                                       } else {
+                                               expr();
+                                       }
+                               }
+                       }
+                       if (token != TokenNameCOMMA) {
+                               return;
+                       }
+                       getNextToken();
+                       if (token == TokenNameRPAREN) {
+                               return;
+                       }
+               }
+       }
+
+       // private void variableList() {
+       // do {
+       // variable();
+       // if (token == TokenNameCOMMA) {
+       // getNextToken();
+       // } else {
+       // break;
+       // }
+       // } while (true);
+       // }
+       private Expression variable_without_objects(boolean lefthandside, boolean ignoreVar) {
+               // variable_without_objects:
+               // reference_variable
+               // | simple_indirect_reference reference_variable
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: variable_without_objects()");
+               }
+               while (token == TokenNameDOLLAR) {
+                       getNextToken();
+               }
+               return reference_variable(lefthandside, ignoreVar);
+       }
+
+       private Expression function_call(boolean lefthandside, boolean ignoreVar) {
+               // function_call:
+               // T_STRING '(' function_call_parameter_list ')'
+               // | class_constant '(' function_call_parameter_list ')'
+               // | static_member '(' function_call_parameter_list ')'
+               // | variable_without_objects '(' function_call_parameter_list ')'
+               char[] defineName = null;
+               char[] ident = null;
+               int startPos = 0;
+               int endPos = 0;
+               Expression ref = null;
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: function_call()");
+               }
+               if (token == TokenNameIdentifier) {
+                       ident = scanner.getCurrentIdentifierSource();
+                       defineName = ident;
+                       startPos = scanner.getCurrentTokenStartPosition();
+                       endPos = scanner.getCurrentTokenEndPosition();
+                       getNextToken();
+                       switch (token) {
+                       case TokenNamePAAMAYIM_NEKUDOTAYIM:
+                               // static member:
+                               defineName = null;
+                               getNextToken();
+                               if (token == TokenNameIdentifier) {
+                                       // class _constant
+                                       getNextToken();
+                               } else {
+                                       // static member:
+                                       variable_without_objects(true, false);
+                               }
+                               break;
+                       }
+               } else {
+                       ref = variable_without_objects(lefthandside, ignoreVar);
+               }
+               if (token != TokenNameLPAREN) {
+                       if (defineName != null) {
+                               // does this identifier contain only uppercase characters?
+                               if (defineName.length == 3) {
+                                       if (defineName[0] == 'd' && defineName[1] == 'i' && defineName[2] == 'e') {
+                                               defineName = null;
+                                       }
+                               } else if (defineName.length == 4) {
+                                       if (defineName[0] == 't' && defineName[1] == 'r' && defineName[2] == 'u' && defineName[3] == 'e') {
+                                               defineName = null;
+                                       } else if (defineName[0] == 'n' && defineName[1] == 'u' && defineName[2] == 'l' && defineName[3] == 'l') {
+                                               defineName = null;
+                                       }
+                               } else if (defineName.length == 5) {
+                                       if (defineName[0] == 'f' && defineName[1] == 'a' && defineName[2] == 'l' && defineName[3] == 's' && defineName[4] == 'e') {
+                                               defineName = null;
+                                       }
+                               }
+                               if (defineName != null) {
+                                       for (int i = 0; i < defineName.length; i++) {
+                                               if (Character.isLowerCase(defineName[i])) {
+                                                       problemReporter.phpUppercaseIdentifierWarning(startPos, endPos, referenceContext, compilationUnit.compilationResult);
+                                                       break;
+                                               }
+                                       }
+                               }
+                       }
+               } else {
+                       getNextToken();
+                       if (token == TokenNameRPAREN) {
+                               getNextToken();
+                               return ref;
+                       }
+                       non_empty_function_call_parameter_list();
+                       if (token != TokenNameRPAREN) {
+                               String functionName;
+                               if (ident == null) {
+                                       functionName = new String(" ");
+                               } else {
+                                       functionName = new String(ident);
+                               }
+                               throwSyntaxError("')' expected in function call (" + functionName + ").");
+                       }
+                       getNextToken();
+               }
+               return ref;
+       }
+
+       // private void function_call_parameter_list() {
+       // function_call_parameter_list:
+       // non_empty_function_call_parameter_list { $$ = $1; }
+       // | /* empty */
+       // }
+       private void non_empty_function_call_parameter_list() {
+               // non_empty_function_call_parameter_list:
+               // expr_without_variable
+               // | variable
+               // | '&' w_variable
+               // | non_empty_function_call_parameter_list ',' expr_without_variable
+               // | non_empty_function_call_parameter_list ',' variable
+               // | non_empty_function_call_parameter_list ',' '&' w_variable
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: non_empty_function_call_parameter_list()");
+               }
+               while (true) {
+                       if (token == TokenNameAND) {
+                               getNextToken();
+                               w_variable(true);
+                       } else {
+                               // if (token == TokenNameIdentifier || token ==
+                               // TokenNameVariable
+                               // || token == TokenNameDOLLAR) {
+                               // variable();
+                               // } else {
+                               expr_without_variable(true);
+                               // }
+                       }
+                       if (token != TokenNameCOMMA) {
+                               break;
+                       }
+                       getNextToken();
+               }
+       }
+
+       private void fully_qualified_class_name() {
+               if (token == TokenNameIdentifier) {
+                       getNextToken();
+               } else {
+                       throwSyntaxError("Class name expected.");
+               }
+       }
+
+       private void static_member() {
+               // static_member:
+               // fully_qualified_class_name T_PAAMAYIM_NEKUDOTAYIM
+               // variable_without_objects
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: static_member()");
+               }
+               fully_qualified_class_name();
+               if (token != TokenNamePAAMAYIM_NEKUDOTAYIM) {
+                       throwSyntaxError("'::' expected after class name (static_member).");
+               }
+               getNextToken();
+               variable_without_objects(false, false);
+       }
+
+       private Expression base_variable_with_function_calls(boolean lefthandside, boolean ignoreVar) {
+               // base_variable_with_function_calls:
+               // base_variable
+               // | function_call
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: base_variable_with_function_calls()");
+               }
+               return function_call(lefthandside, ignoreVar);
+       }
+
+       private Expression base_variable(boolean lefthandside) {
+               // base_variable:
+               // reference_variable
+               // | simple_indirect_reference reference_variable
+               // | static_member
+               Expression ref = null;
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: base_variable()");
+               }
+               if (token == TokenNameIdentifier) {
+                       static_member();
+               } else {
+                       while (token == TokenNameDOLLAR) {
+                               getNextToken();
+                       }
+                       reference_variable(lefthandside, false);
+               }
+               return ref;
+       }
+
+       // private void simple_indirect_reference() {
+       // // simple_indirect_reference:
+       // // '$'
+       // //| simple_indirect_reference '$'
+       // }
+       private Expression reference_variable(boolean lefthandside, boolean ignoreVar) {
+               // reference_variable:
+               // reference_variable '[' dim_offset ']'
+               // | reference_variable '{' expr '}'
+               // | compound_variable
+               Expression ref = null;
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: reference_variable()");
+               }
+               ref = compound_variable(lefthandside, ignoreVar);
+               while (true) {
+                       if (token == TokenNameLBRACE) {
+                               ref = null;
+                               getNextToken();
+                               expr();
+                               if (token != TokenNameRBRACE) {
+                                       throwSyntaxError("'}' expected in reference variable.");
+                               }
+                               getNextToken();
+                       } else if (token == TokenNameLBRACKET) {
+                               if (ref != null && ref instanceof FieldReference) {
+                                       FieldReference fref = (FieldReference) ref;
+                                       addVariableSet(fref.token);
+                               }
+                               ref = null;
+                               getNextToken();
+                               if (token != TokenNameRBRACKET) {
+                                       expr();
+                                       // dim_offset();
+                                       if (token != TokenNameRBRACKET) {
+                                               throwSyntaxError("']' expected in reference variable.");
+                                       }
+                               }
+                               getNextToken();
+                       } else {
+                               break;
+                       }
+               }
+               return ref;
+       }
+
+       private Expression compound_variable(boolean lefthandside, boolean ignoreVar) {
+               // compound_variable:
+               // T_VARIABLE
+               // | '$' '{' expr '}'
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: compound_variable()");
+               }
+               if (token == TokenNameVariable) {
+                       if (!lefthandside) {
+                               if (!containsVariableSet()) {
+                                       // reportSyntaxError("The local variable " + new
+                                       // String(scanner.getCurrentIdentifierSource())
+                                       // + " may not have been initialized");
+                                       problemReporter.uninitializedLocalVariable(new String(scanner.getCurrentIdentifierSource()), scanner
+                                                       .getCurrentTokenStartPosition(), scanner.getCurrentTokenEndPosition(), referenceContext,
+                                                       compilationUnit.compilationResult);
+                               }
+                       } else {
+                               if (!ignoreVar) {
+                                       addVariableSet();
+                               }
+                       }
+                       FieldReference ref = new FieldReference(scanner.getCurrentIdentifierSource(), scanner.getCurrentTokenStartPosition());
+                       getNextToken();
+                       return ref;
+               } else {
+                       // because of simple_indirect_reference
+                       while (token == TokenNameDOLLAR) {
+                               getNextToken();
+                       }
+                       if (token != TokenNameLBRACE) {
+                               reportSyntaxError("'{' expected after compound variable token '$'.");
+                               return null;
+                       }
+                       getNextToken();
+                       expr();
+                       if (token != TokenNameRBRACE) {
+                               throwSyntaxError("'}' expected after compound variable token '$'.");
+                       }
+                       getNextToken();
+               }
+               return null;
+       } // private void dim_offset() { // // dim_offset: // // /* empty */
+
+       // // | expr
+       // expr();
+       // }
+       private void object_property() {
+               // object_property:
+               // object_dim_list
+               // | variable_without_objects
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: object_property()");
+               }
+               if (token == TokenNameVariable || token == TokenNameDOLLAR) {
+                       variable_without_objects(false, false);
+               } else {
+                       object_dim_list();
+               }
+       }
+
+       private void object_dim_list() {
+               // object_dim_list:
+               // object_dim_list '[' dim_offset ']'
+               // | object_dim_list '{' expr '}'
+               // | variable_name
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: object_dim_list()");
+               }
+               variable_name();
+               while (true) {
+                       if (token == TokenNameLBRACE) {
+                               getNextToken();
+                               expr();
+                               if (token != TokenNameRBRACE) {
+                                       throwSyntaxError("'}' expected in object_dim_list.");
+                               }
+                               getNextToken();
+                       } else if (token == TokenNameLBRACKET) {
+                               getNextToken();
+                               if (token == TokenNameRBRACKET) {
+                                       getNextToken();
+                                       continue;
+                               }
+                               expr();
+                               if (token != TokenNameRBRACKET) {
+                                       throwSyntaxError("']' expected in object_dim_list.");
+                               }
+                               getNextToken();
+                       } else {
+                               break;
+                       }
+               }
+       }
+
+       private void variable_name() {
+               // variable_name:
+               // T_STRING
+               // | '{' expr '}'
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: variable_name()");
+               }
+               if (token == TokenNameIdentifier || token > TokenNameKEYWORD) {
+                       if (token > TokenNameKEYWORD) {
+                               // TODO show a warning "Keyword used as variable" ?
+                       }
+                       getNextToken();
+               } else {
+                       if (token != TokenNameLBRACE) {
+                               throwSyntaxError("'{' expected in variable name.");
+                       }
+                       getNextToken();
+                       expr();
+                       if (token != TokenNameRBRACE) {
+                               throwSyntaxError("'}' expected in variable name.");
+                       }
+                       getNextToken();
+               }
+       }
+
+       private void r_variable() {
+               variable(false, false);
+       }
+
+       private void w_variable(boolean lefthandside) {
+               variable(lefthandside, false);
+       }
+
+       private void rw_variable() {
+               variable(false, false);
+       }
+
+       private Expression variable(boolean lefthandside, boolean ignoreVar) {
+               // variable:
+               // base_variable_with_function_calls T_OBJECT_OPERATOR
+               // object_property method_or_not variable_properties
+               // | base_variable_with_function_calls
+               Expression ref = base_variable_with_function_calls(lefthandside, ignoreVar);
+               if (token == TokenNameMINUS_GREATER) {
+                       ref = null;
+                       getNextToken();
+                       object_property();
+                       method_or_not();
+                       variable_properties();
+               }
+               return ref;
+       }
+
+       private void variable_properties() {
+               // variable_properties:
+               // variable_properties variable_property
+               // | /* empty */
+               while (token == TokenNameMINUS_GREATER) {
+                       variable_property();
+               }
+       }
+
+       private void variable_property() {
+               // variable_property:
+               // T_OBJECT_OPERATOR object_property method_or_not
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: variable_property()");
+               }
+               if (token == TokenNameMINUS_GREATER) {
+                       getNextToken();
+                       object_property();
+                       method_or_not();
+               } else {
+                       throwSyntaxError("'->' expected in variable_property.");
+               }
+       }
+
+       private Expression identifier(boolean lefthandside, boolean ignoreVar) {
+               // variable:
+               // base_variable_with_function_calls T_OBJECT_OPERATOR
+               // object_property method_or_not variable_properties
+               // | base_variable_with_function_calls
+
+               // Expression ref = function_call(lefthandside, ignoreVar);
+
+               // function_call:
+               // T_STRING '(' function_call_parameter_list ')'
+               // | class_constant '(' function_call_parameter_list ')'
+               // | static_member '(' function_call_parameter_list ')'
+               // | variable_without_objects '(' function_call_parameter_list ')'
+               char[] defineName = null;
+               char[] ident = null;
+               int startPos = 0;
+               int endPos = 0;
+               Expression ref = null;
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: function_call()");
+               }
+               if (token == TokenNameIdentifier) {
+                       ident = scanner.getCurrentIdentifierSource();
+                       defineName = ident;
+                       startPos = scanner.getCurrentTokenStartPosition();
+                       endPos = scanner.getCurrentTokenEndPosition();
+                       getNextToken();
+
+                       if (token == TokenNameEQUAL || token == TokenNamePLUS_EQUAL || token == TokenNameMINUS_EQUAL
+                                       || token == TokenNameMULTIPLY_EQUAL || token == TokenNameDIVIDE_EQUAL || token == TokenNameDOT_EQUAL
+                                       || token == TokenNameREMAINDER_EQUAL || token == TokenNameAND_EQUAL || token == TokenNameOR_EQUAL
+                                       || token == TokenNameXOR_EQUAL || token == TokenNameRIGHT_SHIFT_EQUAL || token == TokenNameLEFT_SHIFT_EQUAL) {
+                               String error = "Assignment operator '" + scanner.toStringAction(token) + "' not allowed after identifier '"
+                                               + new String(ident) + "' (use 'define(...)' to define constants).";
+                               reportSyntaxError(error);
+                       }
+
+                       switch (token) {
+                       case TokenNamePAAMAYIM_NEKUDOTAYIM:
+                               // static member:
+                               defineName = null;
+                               getNextToken();
+                               if (token == TokenNameIdentifier) {
+                                       // class _constant
+                                       getNextToken();
+                               } else {
+                                       // static member:
+                                       variable_without_objects(true, false);
+                               }
+                               break;
+                       }
+               } else {
+                       ref = variable_without_objects(lefthandside, ignoreVar);
+               }
+               if (token != TokenNameLPAREN) {
+                       if (defineName != null) {
+                               // does this identifier contain only uppercase characters?
+                               if (defineName.length == 3) {
+                                       if (defineName[0] == 'd' && defineName[1] == 'i' && defineName[2] == 'e') {
+                                               defineName = null;
+                                       }
+                               } else if (defineName.length == 4) {
+                                       if (defineName[0] == 't' && defineName[1] == 'r' && defineName[2] == 'u' && defineName[3] == 'e') {
+                                               defineName = null;
+                                       } else if (defineName[0] == 'n' && defineName[1] == 'u' && defineName[2] == 'l' && defineName[3] == 'l') {
+                                               defineName = null;
+                                       }
+                               } else if (defineName.length == 5) {
+                                       if (defineName[0] == 'f' && defineName[1] == 'a' && defineName[2] == 'l' && defineName[3] == 's' && defineName[4] == 'e') {
+                                               defineName = null;
+                                       }
+                               }
+                               if (defineName != null) {
+                                       for (int i = 0; i < defineName.length; i++) {
+                                               if (Character.isLowerCase(defineName[i])) {
+                                                       problemReporter.phpUppercaseIdentifierWarning(startPos, endPos, referenceContext, compilationUnit.compilationResult);
+                                                       break;
+                                               }
+                                       }
+                               }
+                       }
+                       // TODO is this ok ?
+                       // return ref;
+                       // throwSyntaxError("'(' expected in function call.");
+               } else {
+                       getNextToken();
+
+                       if (token == TokenNameRPAREN) {
+                               getNextToken();
+                               ref = null;
+                       } else {
+                               non_empty_function_call_parameter_list();
+                               if (token != TokenNameRPAREN) {
+                                       String functionName;
+                                       if (ident == null) {
+                                               functionName = new String(" ");
+                                       } else {
+                                               functionName = new String(ident);
+                                       }
+                                       throwSyntaxError("')' expected in function call (" + functionName + ").");
+                               }
+                               getNextToken();
+                       }
+               }
+               if (token == TokenNameMINUS_GREATER) {
+                       ref = null;
+                       getNextToken();
+                       object_property();
+                       method_or_not();
+                       variable_properties();
+               }
+               return ref;
+       }
+
+       private void method_or_not() {
+               // method_or_not:
+               // '(' function_call_parameter_list ')'
+               // | /* empty */
+               if (Scanner.TRACE) {
+                       System.out.println("TRACE: method_or_not()");
+               }
+               if (token == TokenNameLPAREN) {
+                       getNextToken();
+                       if (token == TokenNameRPAREN) {
+                               getNextToken();
+                               return;
+                       }
+                       non_empty_function_call_parameter_list();
+                       if (token != TokenNameRPAREN) {
+                               throwSyntaxError("')' expected in method_or_not.");
+                       }
+                       getNextToken();
+               }
+       }
+
+       private void exit_expr() {
+               // /* empty */
+               // | '(' ')'
+               // | '(' expr ')'
+               if (token != TokenNameLPAREN) {
+                       return;
+               }
+               getNextToken();
+               if (token == TokenNameRPAREN) {
+                       getNextToken();
+                       return;
+               }
+               expr();
+               if (token != TokenNameRPAREN) {
+                       throwSyntaxError("')' expected after keyword 'exit'");
+               }
+               getNextToken();
+       }
+
+       // private void encaps_list() {
+       // // encaps_list encaps_var
+       // // | encaps_list T_STRING
+       // // | encaps_list T_NUM_STRING
+       // // | encaps_list T_ENCAPSED_AND_WHITESPACE
+       // // | encaps_list T_CHARACTER
+       // // | encaps_list T_BAD_CHARACTER
+       // // | encaps_list '['
+       // // | encaps_list ']'
+       // // | encaps_list '{'
+       // // | encaps_list '}'
+       // // | encaps_list T_OBJECT_OPERATOR
+       // // | /* empty */
+       // while (true) {
+       // switch (token) {
+       // case TokenNameSTRING:
+       // getNextToken();
+       // break;
+       // case TokenNameLBRACE:
+       // // scanner.encapsedStringStack.pop();
+       // getNextToken();
+       // break;
+       // case TokenNameRBRACE:
+       // // scanner.encapsedStringStack.pop();
+       // getNextToken();
+       // break;
+       // case TokenNameLBRACKET:
+       // // scanner.encapsedStringStack.pop();
+       // getNextToken();
+       // break;
+       // case TokenNameRBRACKET:
+       // // scanner.encapsedStringStack.pop();
+       // getNextToken();
+       // break;
+       // case TokenNameMINUS_GREATER:
+       // // scanner.encapsedStringStack.pop();
+       // getNextToken();
+       // break;
+       // case TokenNameVariable:
+       // case TokenNameDOLLAR_LBRACE:
+       // case TokenNameLBRACE_DOLLAR:
+       // encaps_var();
+       // break;
+       // default:
+       // char encapsedChar = ((Character)
+       // scanner.encapsedStringStack.peek()).charValue();
+       // if (encapsedChar == '$') {
+       // scanner.encapsedStringStack.pop();
+       // encapsedChar = ((Character)
+       // scanner.encapsedStringStack.peek()).charValue();
+       // switch (encapsedChar) {
+       // case '`':
+       // if (token == TokenNameEncapsedString0) {
+       // return;
+       // }
+       // token = TokenNameSTRING;
+       // continue;
+       // case '\'':
+       // if (token == TokenNameEncapsedString1) {
+       // return;
+       // }
+       // token = TokenNameSTRING;
+       // continue;
+       // case '"':
+       // if (token == TokenNameEncapsedString2) {
+       // return;
+       // }
+       // token = TokenNameSTRING;
+       // continue;
+       // }
+       // }
+       // return;
+       // }
+       // }
+       // }
+
+       // private void encaps_var() {
+       // // T_VARIABLE
+       // // | T_VARIABLE '[' encaps_var_offset ']'
+       // // | T_VARIABLE T_OBJECT_OPERATOR T_STRING
+       // // | T_DOLLAR_OPEN_CURLY_BRACES expr '}'
+       // // | T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '[' expr ']' '}'
+       // // | T_CURLY_OPEN variable '}'
+       // switch (token) {
+       // case TokenNameVariable:
+       // getNextToken();
+       // if (token == TokenNameLBRACKET) {
+       // getNextToken();
+       // expr(); //encaps_var_offset();
+       // if (token != TokenNameRBRACKET) {
+       // throwSyntaxError("']' expected after variable.");
+       // }
+       // // scanner.encapsedStringStack.pop();
+       // getNextToken();
+       // // }
+       // } else if (token == TokenNameMINUS_GREATER) {
+       // getNextToken();
+       // if (token != TokenNameIdentifier) {
+       // throwSyntaxError("Identifier expected after '->'.");
+       // }
+       // // scanner.encapsedStringStack.pop();
+       // getNextToken();
+       // }
+       // // else {
+       // // // scanner.encapsedStringStack.pop();
+       // // int tempToken = TokenNameSTRING;
+       // // if (!scanner.encapsedStringStack.isEmpty()
+       // // && (token == TokenNameEncapsedString0
+       // // || token == TokenNameEncapsedString1
+       // // || token == TokenNameEncapsedString2 || token ==
+       // // TokenNameERROR)) {
+       // // char encapsedChar = ((Character)
+       // // scanner.encapsedStringStack.peek())
+       // // .charValue();
+       // // switch (token) {
+       // // case TokenNameEncapsedString0 :
+       // // if (encapsedChar == '`') {
+       // // tempToken = TokenNameEncapsedString0;
+       // // }
+       // // break;
+       // // case TokenNameEncapsedString1 :
+       // // if (encapsedChar == '\'') {
+       // // tempToken = TokenNameEncapsedString1;
+       // // }
+       // // break;
+       // // case TokenNameEncapsedString2 :
+       // // if (encapsedChar == '"') {
+       // // tempToken = TokenNameEncapsedString2;
+       // // }
+       // // break;
+       // // case TokenNameERROR :
+       // // if (scanner.source[scanner.currentPosition - 1] == '\\') {
+       // // scanner.currentPosition--;
+       // // getNextToken();
+       // // }
+       // // break;
+       // // }
+       // // }
+       // // token = tempToken;
+       // // }
+       // break;
+       // case TokenNameDOLLAR_LBRACE:
+       // getNextToken();
+       // if (token == TokenNameDOLLAR_LBRACE) {
+       // encaps_var();
+       // } else if (token == TokenNameIdentifier) {
+       // getNextToken();
+       // if (token == TokenNameLBRACKET) {
+       // getNextToken();
+       // // if (token == TokenNameRBRACKET) {
+       // // getNextToken();
+       // // } else {
+       // expr();
+       // if (token != TokenNameRBRACKET) {
+       // throwSyntaxError("']' expected after '${'.");
+       // }
+       // getNextToken();
+       // // }
+       // }
+       // } else {
+       // expr();
+       // }
+       // if (token != TokenNameRBRACE) {
+       // throwSyntaxError("'}' expected.");
+       // }
+       // getNextToken();
+       // break;
+       // case TokenNameLBRACE_DOLLAR:
+       // getNextToken();
+       // if (token == TokenNameLBRACE_DOLLAR) {
+       // encaps_var();
+       // } else if (token == TokenNameIdentifier || token > TokenNameKEYWORD) {
+       // getNextToken();
+       // if (token == TokenNameLBRACKET) {
+       // getNextToken();
+       // // if (token == TokenNameRBRACKET) {
+       // // getNextToken();
+       // // } else {
+       // expr();
+       // if (token != TokenNameRBRACKET) {
+       // throwSyntaxError("']' expected.");
+       // }
+       // getNextToken();
+       // // }
+       // } else if (token == TokenNameMINUS_GREATER) {
+       // getNextToken();
+       // if (token != TokenNameIdentifier && token != TokenNameVariable) {
+       // throwSyntaxError("String or Variable token expected.");
+       // }
+       // getNextToken();
+       // if (token == TokenNameLBRACKET) {
+       // getNextToken();
+       // // if (token == TokenNameRBRACKET) {
+       // // getNextToken();
+       // // } else {
+       // expr();
+       // if (token != TokenNameRBRACKET) {
+       // throwSyntaxError("']' expected after '${'.");
+       // }
+       // getNextToken();
+       // // }
+       // }
+       // }
+       // // if (token != TokenNameRBRACE) {
+       // // throwSyntaxError("'}' expected after '{$'.");
+       // // }
+       // // // scanner.encapsedStringStack.pop();
+       // // getNextToken();
+       // } else {
+       // expr();
+       // if (token != TokenNameRBRACE) {
+       // throwSyntaxError("'}' expected.");
+       // }
+       // // scanner.encapsedStringStack.pop();
+       // getNextToken();
+       // }
+       // break;
+       // }
+       // }
+
+       // private void encaps_var_offset() {
+       // // T_STRING
+       // // | T_NUM_STRING
+       // // | T_VARIABLE
+       // switch (token) {
+       // case TokenNameSTRING:
+       // getNextToken();
+       // break;
+       // case TokenNameIntegerLiteral:
+       // getNextToken();
+       // break;
+       // case TokenNameVariable:
+       // getNextToken();
+       // break;
+       // case TokenNameIdentifier:
+       // getNextToken();
+       // break;
+       // default:
+       // throwSyntaxError("Variable or String token expected.");
+       // break;
+       // }
+       // }
+
+       private void internal_functions_in_yacc() {
+               // int start = 0;
+               switch (token) {
+               // case TokenNameisset:
+               // // T_ISSET '(' isset_variables ')'
+               // getNextToken();
+               // if (token != TokenNameLPAREN) {
+               // throwSyntaxError("'(' expected after keyword 'isset'");
+               // }
+               // getNextToken();
+               // isset_variables();
+               // if (token != TokenNameRPAREN) {
+               // throwSyntaxError("')' expected after keyword 'isset'");
+               // }
+               // getNextToken();
+               // break;
+               // case TokenNameempty:
+               // // T_EMPTY '(' variable ')'
+               // getNextToken();
+               // if (token != TokenNameLPAREN) {
+               // throwSyntaxError("'(' expected after keyword 'empty'");
+               // }
+               // getNextToken();
+               // variable(false);
+               // if (token != TokenNameRPAREN) {
+               // throwSyntaxError("')' expected after keyword 'empty'");
+               // }
+               // getNextToken();
+               // break;
+               case TokenNameinclude:
+                       // T_INCLUDE expr
+                       checkFileName(token);
+                       break;
+               case TokenNameinclude_once:
+                       // T_INCLUDE_ONCE expr
+                       checkFileName(token);
+                       break;
+               case TokenNameeval:
+                       // T_EVAL '(' expr ')'
+                       getNextToken();
+                       if (token != TokenNameLPAREN) {
+                               throwSyntaxError("'(' expected after keyword 'eval'");
+                       }
+                       getNextToken();
+                       expr();
+                       if (token != TokenNameRPAREN) {
+                               throwSyntaxError("')' expected after keyword 'eval'");
+                       }
+                       getNextToken();
+                       break;
+               case TokenNamerequire:
+                       // T_REQUIRE expr
+                       checkFileName(token);
+                       break;
+               case TokenNamerequire_once:
+                       // T_REQUIRE_ONCE expr
+                       checkFileName(token);
+                       break;
+               }
+       }
+
+       /**
+        * Parse and check the include file name
+        *
+        * @param includeToken
+        */
+       private void checkFileName(int includeToken) {
+               // <include-token> expr
+               int start = scanner.getCurrentTokenStartPosition();
+               boolean hasLPAREN = false;
+               getNextToken();
+               if (token == TokenNameLPAREN) {
+                       hasLPAREN = true;
+                       getNextToken();
+               }
+               Expression expression = expr();
+               if (hasLPAREN) {
+                       if (token == TokenNameRPAREN) {
+                               getNextToken();
+                       } else {
+                               throwSyntaxError("')' expected for keyword '" + scanner.toStringAction(includeToken) + "'");
+                       }
+               }
+               char[] currTokenSource = scanner.getCurrentTokenSource(start);
+               IFile file = null;
+               if (scanner.compilationUnit != null) {
+                       IResource resource = scanner.compilationUnit.getResource();
+                       if (resource != null && resource instanceof IFile) {
+                               file = (IFile) resource;
+                       }
+               }
+               char[][] tokens;
+               tokens = new char[1][];
+               tokens[0] = currTokenSource;
+
+               ImportReference impt = new ImportReference(tokens, currTokenSource, start, scanner.getCurrentTokenEndPosition(), false);
+               impt.declarationSourceEnd = impt.sourceEnd;
+               impt.declarationEnd = impt.declarationSourceEnd;
+               // endPosition is just before the ;
+               impt.declarationSourceStart = start;
+               includesList.add(impt);
+
+               if (expression instanceof StringLiteral) {
+                       StringLiteral literal = (StringLiteral) expression;
+                       char[] includeName = literal.source();
+                       if (includeName.length == 0) {
+                               reportSyntaxError("Empty filename after keyword '" + scanner.toStringAction(includeToken) + "'", literal.sourceStart,
+                                               literal.sourceStart + 1);
+                       }
+                       String includeNameString = new String(includeName);
+                       if (literal instanceof StringLiteralDQ) {
+                               if (includeNameString.indexOf('$') >= 0) {
+                                       // assuming that the filename contains a variable => no filename check
+                                       return;
+                               }
+                       }
+                       if (includeNameString.startsWith("http://")) {
+                               // assuming external include location
+                               return;
+                       }
+                       if (file != null) {
+                               // check the filename:
+                               // System.out.println(new String(compilationUnit.getFileName())+" - "+
+                               // expression.toStringExpression());
+                               IProject project = file.getProject();
+                               if (project != null) {
+                                       IPath path = PHPFileUtil.determineFilePath(includeNameString, file, project);
+
+                                       if (path == null) {
+                                               // SyntaxError: "File: << >> doesn't exist in project."
+                                               String[] args = { expression.toStringExpression(), project.getLocation().toString() };
+                                               problemReporter.phpIncludeNotExistWarning(args, literal.sourceStart, literal.sourceEnd, referenceContext,
+                                                               compilationUnit.compilationResult);
+                                       } else {
+                                               try {
+                                                       String filePath = path.toString();
+                                                       String ext = file.getRawLocation().getFileExtension();
+                                                       int fileExtensionLength = ext == null ? 0 : ext.length() + 1;
+
+                                                       impt.tokens = CharOperation.splitOn('/', filePath.toCharArray(), 0, filePath.length() - fileExtensionLength);
+                                                       impt.setFile(PHPFileUtil.createFile(path, project));
+                                               } catch (Exception e) {
+                                                       // the file is outside of the workspace
+                                               }
+                                       }
+                               }
+                       }
+               }
+       }
+
+       private void isset_variables() {
+               // variable
+               // | isset_variables ','
+               if (token == TokenNameRPAREN) {
+                       throwSyntaxError("Variable expected after keyword 'isset'");
+               }
+               while (true) {
+                       variable(true, false);
+                       if (token == TokenNameCOMMA) {
+                               getNextToken();
+                       } else {
+                               break;
+                       }
+               }
+       }
+
+       private boolean common_scalar() {
+               // common_scalar:
+               // T_LNUMBER
+               // | T_DNUMBER
+               // | T_CONSTANT_ENCAPSED_STRING
+               // | T_LINE
+               // | T_FILE
+               // | T_CLASS_C
+               // | T_METHOD_C
+               // | T_FUNC_C
+               switch (token) {
+               case TokenNameIntegerLiteral:
+                       getNextToken();
+                       return true;
+               case TokenNameDoubleLiteral:
+                       getNextToken();
+                       return true;
+               case TokenNameStringDoubleQuote:
+                       getNextToken();
+                       return true;
+               case TokenNameStringSingleQuote:
+                       getNextToken();
+                       return true;
+               case TokenNameStringInterpolated:
+                       getNextToken();
+                       return true;
+               case TokenNameFILE:
+                       getNextToken();
+                       return true;
+               case TokenNameLINE:
+                       getNextToken();
+                       return true;
+               case TokenNameCLASS_C:
+                       getNextToken();
+                       return true;
+               case TokenNameMETHOD_C:
+                       getNextToken();
+                       return true;
+               case TokenNameFUNC_C:
+                       getNextToken();
+                       return true;
+               }
+               return false;
+       }
+
+       private void scalar() {
+               // scalar:
+               // T_STRING
+               // | T_STRING_VARNAME
+               // | class_constant
+               // | common_scalar
+               // | '"' encaps_list '"'
+               // | '\'' encaps_list '\''
+               // | T_START_HEREDOC encaps_list T_END_HEREDOC
+               throwSyntaxError("Not yet implemented (scalar).");
+       }
+
+       private void static_scalar() {
+               // static_scalar: /* compile-time evaluated scalars */
+               // common_scalar
+               // | T_STRING
+               // | '+' static_scalar
+               // | '-' static_scalar
+               // | T_ARRAY '(' static_array_pair_list ')'
+               // | static_class_constant
+               if (common_scalar()) {
+                       return;
+               }
+               switch (token) {
+               case TokenNameIdentifier:
+                       getNextToken();
+                       // static_class_constant:
+                       // T_STRING T_PAAMAYIM_NEKUDOTAYIM T_STRING
+                       if (token == TokenNamePAAMAYIM_NEKUDOTAYIM) {
+                               getNextToken();
+                               if (token == TokenNameIdentifier) {
+                                       getNextToken();
+                               } else {
+                                       throwSyntaxError("Identifier expected after '::' operator.");
+                               }
+                       }
+                       break;
+               case TokenNameEncapsedString0:
+                       try {
+                               scanner.currentCharacter = scanner.source[scanner.currentPosition++];
+                               while (scanner.currentCharacter != '`') {
+                                       if (scanner.currentCharacter == '\\') {
+                                               scanner.currentPosition++;
+                                       }
+                                       scanner.currentCharacter = scanner.source[scanner.currentPosition++];
+                               }
+                               getNextToken();
+                       } catch (IndexOutOfBoundsException e) {
+                               throwSyntaxError("'`' expected at end of static string.");
+                       }
+                       break;
+               // case TokenNameEncapsedString1:
+               // try {
+               // scanner.currentCharacter = scanner.source[scanner.currentPosition++];
+               // while (scanner.currentCharacter != '\'') {
+               // if (scanner.currentCharacter == '\\') {
+               // scanner.currentPosition++;
+               // }
+               // scanner.currentCharacter = scanner.source[scanner.currentPosition++];
+               // }
+               // getNextToken();
+               // } catch (IndexOutOfBoundsException e) {
+               // throwSyntaxError("'\'' expected at end of static string.");
+               // }
+               // break;
+               // case TokenNameEncapsedString2:
+               // try {
+               // scanner.currentCharacter = scanner.source[scanner.currentPosition++];
+               // while (scanner.currentCharacter != '"') {
+               // if (scanner.currentCharacter == '\\') {
+               // scanner.currentPosition++;
+               // }
+               // scanner.currentCharacter = scanner.source[scanner.currentPosition++];
+               // }
+               // getNextToken();
+               // } catch (IndexOutOfBoundsException e) {
+               // throwSyntaxError("'\"' expected at end of static string.");
+               // }
+               // break;
+               case TokenNameStringSingleQuote:
+                       getNextToken();
+                       break;
+               case TokenNameStringDoubleQuote:
+                       getNextToken();
+                       break;
+               case TokenNamePLUS:
+                       getNextToken();
+                       static_scalar();
+                       break;
+               case TokenNameMINUS:
+                       getNextToken();
+                       static_scalar();
+                       break;
+               case TokenNamearray:
+                       getNextToken();
+                       if (token != TokenNameLPAREN) {
+                               throwSyntaxError("'(' expected after keyword 'array'");
+                       }
+                       getNextToken();
+                       if (token == TokenNameRPAREN) {
+                               getNextToken();
+                               break;
+                       }
+                       non_empty_static_array_pair_list();
+                       if (token != TokenNameRPAREN) {
+                               throwSyntaxError("')' or ',' expected after keyword 'array'");
+                       }
+                       getNextToken();
+                       break;
+               // case TokenNamenull :
+               // getNextToken();
+               // break;
+               // case TokenNamefalse :
+               // getNextToken();
+               // break;
+               // case TokenNametrue :
+               // getNextToken();
+               // break;
+               default:
+                       throwSyntaxError("Static scalar/constant expected.");
+               }
+       }
+
+       private void non_empty_static_array_pair_list() {
+               // non_empty_static_array_pair_list:
+               // non_empty_static_array_pair_list ',' static_scalar T_DOUBLE_ARROW
+               // static_scalar
+               // | non_empty_static_array_pair_list ',' static_scalar
+               // | static_scalar T_DOUBLE_ARROW static_scalar
+               // | static_scalar
+               while (true) {
+                       static_scalar();
+                       if (token == TokenNameEQUAL_GREATER) {
+                               getNextToken();
+                               static_scalar();
+                       }
+                       if (token != TokenNameCOMMA) {
+                               break;
+                       }
+                       getNextToken();
+                       if (token == TokenNameRPAREN) {
+                               break;
+                       }
+               }
+       }
+
+       // public void reportSyntaxError() { //int act, int currentKind, int
+       // // stateStackTop) {
+       // /* remember current scanner position */
+       // int startPos = scanner.startPosition;
+       // int currentPos = scanner.currentPosition;
+       //
+       // this.checkAndReportBracketAnomalies(problemReporter());
+       // /* reset scanner where it was */
+       // scanner.startPosition = startPos;
+       // scanner.currentPosition = currentPos;
+       // }
+
+       public static final int RoundBracket = 0;
+
+       public static final int SquareBracket = 1;
+
+       public static final int CurlyBracket = 2;
+
+       public static final int BracketKinds = 3;
+
+       protected int[] nestedMethod; // the ptr is nestedType
+
+       protected int nestedType, dimensions;
+
+       // variable set stack
+       final static int VariableStackIncrement = 10;
+
+       HashMap fTypeVariables = null;
+
+       HashMap fMethodVariables = null;
+
+       ArrayList fStackUnassigned = new ArrayList();
+
+       // ast stack
+       final static int AstStackIncrement = 100;
+
+       protected int astPtr;
+
+       protected ASTNode[] astStack = new ASTNode[AstStackIncrement];
+
+       protected int astLengthPtr;
+
+       protected int[] astLengthStack;
+
+       ASTNode[] noAstNodes = new ASTNode[AstStackIncrement];
+
+       public CompilationUnitDeclaration compilationUnit; /*
+                                                                                                                                                                                                                        * the result from parse()
+                                                                                                                                                                                                                        */
+
+       protected ReferenceContext referenceContext;
+
+       protected ProblemReporter problemReporter;
+
+       protected CompilerOptions options;
+
+       private ArrayList includesList;
+
+       // protected CompilationResult compilationResult;
+       /**
+        * 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() {
+               if (scanner.recordLineSeparator) {
+                       compilationUnit.compilationResult.lineSeparatorPositions = scanner.getLineEnds();
+               }
+               problemReporter.referenceContext = referenceContext;
+               return problemReporter;
+       }
+
+       /*
+        * Reconsider the entire source looking for inconsistencies in {} () []
+        */
+       // public boolean checkAndReportBracketAnomalies(ProblemReporter
+       // problemReporter) {
+       // scanner.wasAcr = false;
+       // boolean anomaliesDetected = false;
+       // try {
+       // char[] source = scanner.source;
+       // int[] leftCount = { 0, 0, 0 };
+       // int[] rightCount = { 0, 0, 0 };
+       // int[] depths = { 0, 0, 0 };
+       // int[][] leftPositions = new int[][] { new int[10], new int[10], new int[10]
+       // };
+       // int[][] leftDepths = new int[][] { new int[10], new int[10], new int[10] };
+       // int[][] rightPositions = new int[][] { new int[10], new int[10], new
+       // int[10] };
+       // int[][] rightDepths = new int[][] { new int[10], new int[10], new int[10]
+       // };
+       // scanner.currentPosition = scanner.initialPosition; //starting
+       // // point
+       // // (first-zero-based
+       // // char)
+       // while (scanner.currentPosition < scanner.eofPosition) { //loop for
+       // // jumping
+       // // over
+       // // comments
+       // try {
+       // // ---------Consume white space and handles
+       // // startPosition---------
+       // boolean isWhiteSpace;
+       // do {
+       // scanner.startPosition = scanner.currentPosition;
+       // // if (((scanner.currentCharacter =
+       // // source[scanner.currentPosition++]) == '\\') &&
+       // // (source[scanner.currentPosition] == 'u')) {
+       // // isWhiteSpace = scanner.jumpOverUnicodeWhiteSpace();
+       // // } else {
+       // if (scanner.recordLineSeparator && ((scanner.currentCharacter == '\r') ||
+       // (scanner.currentCharacter == '\n'))) {
+       // if (scanner.lineEnds[scanner.linePtr] < scanner.startPosition) {
+       // // only record line positions we have not
+       // // recorded yet
+       // scanner.pushLineSeparator();
+       // }
+       // }
+       // isWhiteSpace = CharOperation.isWhitespace(scanner.currentCharacter);
+       // // }
+       // } while (isWhiteSpace && (scanner.currentPosition < scanner.eofPosition));
+       // // -------consume token until } is found---------
+       // switch (scanner.currentCharacter) {
+       // case '{': {
+       // int index = leftCount[CurlyBracket]++;
+       // if (index == leftPositions[CurlyBracket].length) {
+       // System.arraycopy(leftPositions[CurlyBracket], 0,
+       // (leftPositions[CurlyBracket] = new int[index * 2]), 0, index);
+       // System.arraycopy(leftDepths[CurlyBracket], 0, (leftDepths[CurlyBracket] =
+       // new int[index * 2]), 0, index);
+       // }
+       // leftPositions[CurlyBracket][index] = scanner.startPosition;
+       // leftDepths[CurlyBracket][index] = depths[CurlyBracket]++;
+       // }
+       // break;
+       // case '}': {
+       // int index = rightCount[CurlyBracket]++;
+       // if (index == rightPositions[CurlyBracket].length) {
+       // System.arraycopy(rightPositions[CurlyBracket], 0,
+       // (rightPositions[CurlyBracket] = new int[index * 2]), 0, index);
+       // System.arraycopy(rightDepths[CurlyBracket], 0, (rightDepths[CurlyBracket] =
+       // new int[index * 2]), 0, index);
+       // }
+       // rightPositions[CurlyBracket][index] = scanner.startPosition;
+       // rightDepths[CurlyBracket][index] = --depths[CurlyBracket];
+       // }
+       // break;
+       // case '(': {
+       // int index = leftCount[RoundBracket]++;
+       // if (index == leftPositions[RoundBracket].length) {
+       // System.arraycopy(leftPositions[RoundBracket], 0,
+       // (leftPositions[RoundBracket] = new int[index * 2]), 0, index);
+       // System.arraycopy(leftDepths[RoundBracket], 0, (leftDepths[RoundBracket] =
+       // new int[index * 2]), 0, index);
+       // }
+       // leftPositions[RoundBracket][index] = scanner.startPosition;
+       // leftDepths[RoundBracket][index] = depths[RoundBracket]++;
+       // }
+       // break;
+       // case ')': {
+       // int index = rightCount[RoundBracket]++;
+       // if (index == rightPositions[RoundBracket].length) {
+       // System.arraycopy(rightPositions[RoundBracket], 0,
+       // (rightPositions[RoundBracket] = new int[index * 2]), 0, index);
+       // System.arraycopy(rightDepths[RoundBracket], 0, (rightDepths[RoundBracket] =
+       // new int[index * 2]), 0, index);
+       // }
+       // rightPositions[RoundBracket][index] = scanner.startPosition;
+       // rightDepths[RoundBracket][index] = --depths[RoundBracket];
+       // }
+       // break;
+       // case '[': {
+       // int index = leftCount[SquareBracket]++;
+       // if (index == leftPositions[SquareBracket].length) {
+       // System.arraycopy(leftPositions[SquareBracket], 0,
+       // (leftPositions[SquareBracket] = new int[index * 2]), 0, index);
+       // System.arraycopy(leftDepths[SquareBracket], 0, (leftDepths[SquareBracket] =
+       // new int[index * 2]), 0, index);
+       // }
+       // leftPositions[SquareBracket][index] = scanner.startPosition;
+       // leftDepths[SquareBracket][index] = depths[SquareBracket]++;
+       // }
+       // break;
+       // case ']': {
+       // int index = rightCount[SquareBracket]++;
+       // if (index == rightPositions[SquareBracket].length) {
+       // System.arraycopy(rightPositions[SquareBracket], 0,
+       // (rightPositions[SquareBracket] = new int[index * 2]), 0, index);
+       // System.arraycopy(rightDepths[SquareBracket], 0, (rightDepths[SquareBracket]
+       // = new int[index * 2]), 0, index);
+       // }
+       // rightPositions[SquareBracket][index] = scanner.startPosition;
+       // rightDepths[SquareBracket][index] = --depths[SquareBracket];
+       // }
+       // break;
+       // case '\'': {
+       // if (scanner.getNextChar('\\')) {
+       // scanner.scanEscapeCharacter();
+       // } else { // consume next character
+       // scanner.unicodeAsBackSlash = false;
+       // // if (((scanner.currentCharacter =
+       // // source[scanner.currentPosition++]) ==
+       // // '\\') &&
+       // // (source[scanner.currentPosition] ==
+       // // 'u')) {
+       // // scanner.getNextUnicodeChar();
+       // // } else {
+       // if (scanner.withoutUnicodePtr != 0) {
+       // scanner.withoutUnicodeBuffer[++scanner.withoutUnicodePtr] =
+       // scanner.currentCharacter;
+       // }
+       // // }
+       // }
+       // scanner.getNextChar('\'');
+       // break;
+       // }
+       // case '"':
+       // // consume next character
+       // scanner.unicodeAsBackSlash = false;
+       // // if (((scanner.currentCharacter =
+       // // source[scanner.currentPosition++]) == '\\') &&
+       // // (source[scanner.currentPosition] == 'u')) {
+       // // scanner.getNextUnicodeChar();
+       // // } else {
+       // if (scanner.withoutUnicodePtr != 0) {
+       // scanner.withoutUnicodeBuffer[++scanner.withoutUnicodePtr] =
+       // scanner.currentCharacter;
+       // }
+       // // }
+       // while (scanner.currentCharacter != '"') {
+       // if (scanner.currentCharacter == '\r') {
+       // if (source[scanner.currentPosition] == '\n')
+       // scanner.currentPosition++;
+       // break; // the string cannot go further that
+       // // the line
+       // }
+       // if (scanner.currentCharacter == '\n') {
+       // break; // the string cannot go further that
+       // // the line
+       // }
+       // if (scanner.currentCharacter == '\\') {
+       // scanner.scanEscapeCharacter();
+       // }
+       // // consume next character
+       // scanner.unicodeAsBackSlash = false;
+       // // if (((scanner.currentCharacter =
+       // // source[scanner.currentPosition++]) == '\\')
+       // // && (source[scanner.currentPosition] == 'u'))
+       // // {
+       // // scanner.getNextUnicodeChar();
+       // // } else {
+       // if (scanner.withoutUnicodePtr != 0) {
+       // scanner.withoutUnicodeBuffer[++scanner.withoutUnicodePtr] =
+       // scanner.currentCharacter;
+       // }
+       // // }
+       // }
+       // break;
+       // case '/': {
+       // int test;
+       // if ((test = scanner.getNextChar('/', '*')) == 0) { //line
+       // // comment
+       // //get the next char
+       // if (((scanner.currentCharacter = source[scanner.currentPosition++]) ==
+       // '\\')
+       // && (source[scanner.currentPosition] == 'u')) {
+       // //-------------unicode traitement
+       // // ------------
+       // int c1 = 0, c2 = 0, c3 = 0, c4 = 0;
+       // scanner.currentPosition++;
+       // while (source[scanner.currentPosition] == 'u') {
+       // scanner.currentPosition++;
+       // }
+       // if ((c1 = Character.getNumericValue(source[scanner.currentPosition++])) >
+       // 15 || c1 < 0
+       // || (c2 = Character.getNumericValue(source[scanner.currentPosition++])) > 15
+       // || c2 < 0
+       // || (c3 = Character.getNumericValue(source[scanner.currentPosition++])) > 15
+       // || c3 < 0
+       // || (c4 = Character.getNumericValue(source[scanner.currentPosition++])) > 15
+       // || c4 < 0) { //error
+       // // don't
+       // // care of the
+       // // value
+       // scanner.currentCharacter = 'A';
+       // } //something different from \n and \r
+       // else {
+       // scanner.currentCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4);
+       // }
+       // }
+       // while (scanner.currentCharacter != '\r' && scanner.currentCharacter !=
+       // '\n') {
+       // //get the next char
+       // scanner.startPosition = scanner.currentPosition;
+       // if (((scanner.currentCharacter = source[scanner.currentPosition++]) ==
+       // '\\')
+       // && (source[scanner.currentPosition] == 'u')) {
+       // //-------------unicode traitement
+       // // ------------
+       // int c1 = 0, c2 = 0, c3 = 0, c4 = 0;
+       // scanner.currentPosition++;
+       // while (source[scanner.currentPosition] == 'u') {
+       // scanner.currentPosition++;
+       // }
+       // if ((c1 = Character.getNumericValue(source[scanner.currentPosition++])) >
+       // 15 || c1 < 0
+       // || (c2 = Character.getNumericValue(source[scanner.currentPosition++])) > 15
+       // || c2 < 0
+       // || (c3 = Character.getNumericValue(source[scanner.currentPosition++])) > 15
+       // || c3 < 0
+       // || (c4 = Character.getNumericValue(source[scanner.currentPosition++])) > 15
+       // || c4 < 0) { //error
+       // // don't
+       // // care of the
+       // // value
+       // scanner.currentCharacter = 'A';
+       // } //something different from \n
+       // // and \r
+       // else {
+       // scanner.currentCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4);
+       // }
+       // }
+       // }
+       // if (scanner.recordLineSeparator && ((scanner.currentCharacter == '\r') ||
+       // (scanner.currentCharacter == '\n'))) {
+       // if (scanner.lineEnds[scanner.linePtr] < scanner.startPosition) {
+       // // only record line positions we
+       // // have not recorded yet
+       // scanner.pushLineSeparator();
+       // if (this.scanner.taskTags != null) {
+       // this.scanner.checkTaskTag(this.scanner.getCurrentTokenStartPosition(),
+       // this.scanner
+       // .getCurrentTokenEndPosition());
+       // }
+       // }
+       // }
+       // break;
+       // }
+       // if (test > 0) { //traditional and annotation
+       // // comment
+       // boolean star = false;
+       // // consume next character
+       // scanner.unicodeAsBackSlash = false;
+       // // if (((scanner.currentCharacter =
+       // // source[scanner.currentPosition++]) ==
+       // // '\\') &&
+       // // (source[scanner.currentPosition] ==
+       // // 'u')) {
+       // // scanner.getNextUnicodeChar();
+       // // } else {
+       // if (scanner.withoutUnicodePtr != 0) {
+       // scanner.withoutUnicodeBuffer[++scanner.withoutUnicodePtr] =
+       // scanner.currentCharacter;
+       // }
+       // // }
+       // if (scanner.currentCharacter == '*') {
+       // star = true;
+       // }
+       // //get the next char
+       // if (((scanner.currentCharacter = source[scanner.currentPosition++]) ==
+       // '\\')
+       // && (source[scanner.currentPosition] == 'u')) {
+       // //-------------unicode traitement
+       // // ------------
+       // int c1 = 0, c2 = 0, c3 = 0, c4 = 0;
+       // scanner.currentPosition++;
+       // while (source[scanner.currentPosition] == 'u') {
+       // scanner.currentPosition++;
+       // }
+       // if ((c1 = Character.getNumericValue(source[scanner.currentPosition++])) >
+       // 15 || c1 < 0
+       // || (c2 = Character.getNumericValue(source[scanner.currentPosition++])) > 15
+       // || c2 < 0
+       // || (c3 = Character.getNumericValue(source[scanner.currentPosition++])) > 15
+       // || c3 < 0
+       // || (c4 = Character.getNumericValue(source[scanner.currentPosition++])) > 15
+       // || c4 < 0) { //error
+       // // don't
+       // // care of the
+       // // value
+       // scanner.currentCharacter = 'A';
+       // } //something different from * and /
+       // else {
+       // scanner.currentCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4);
+       // }
+       // }
+       // //loop until end of comment */
+       // while ((scanner.currentCharacter != '/') || (!star)) {
+       // star = scanner.currentCharacter == '*';
+       // //get next char
+       // if (((scanner.currentCharacter = source[scanner.currentPosition++]) ==
+       // '\\')
+       // && (source[scanner.currentPosition] == 'u')) {
+       // //-------------unicode traitement
+       // // ------------
+       // int c1 = 0, c2 = 0, c3 = 0, c4 = 0;
+       // scanner.currentPosition++;
+       // while (source[scanner.currentPosition] == 'u') {
+       // scanner.currentPosition++;
+       // }
+       // if ((c1 = Character.getNumericValue(source[scanner.currentPosition++])) >
+       // 15 || c1 < 0
+       // || (c2 = Character.getNumericValue(source[scanner.currentPosition++])) > 15
+       // || c2 < 0
+       // || (c3 = Character.getNumericValue(source[scanner.currentPosition++])) > 15
+       // || c3 < 0
+       // || (c4 = Character.getNumericValue(source[scanner.currentPosition++])) > 15
+       // || c4 < 0) { //error
+       // // don't
+       // // care of the
+       // // value
+       // scanner.currentCharacter = 'A';
+       // } //something different from * and
+       // // /
+       // else {
+       // scanner.currentCharacter = (char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4);
+       // }
+       // }
+       // }
+       // if (this.scanner.taskTags != null) {
+       // this.scanner.checkTaskTag(this.scanner.getCurrentTokenStartPosition(),
+       // this.scanner.getCurrentTokenEndPosition());
+       // }
+       // break;
+       // }
+       // break;
+       // }
+       // default:
+       // if (Scanner.isPHPIdentifierStart(scanner.currentCharacter)) {
+       // scanner.scanIdentifierOrKeyword(false);
+       // break;
+       // }
+       // if (Character.isDigit(scanner.currentCharacter)) {
+       // scanner.scanNumber(false);
+       // break;
+       // }
+       // }
+       // //-----------------end switch while
+       // // try--------------------
+       // } catch (IndexOutOfBoundsException e) {
+       // break; // read until EOF
+       // } catch (InvalidInputException e) {
+       // return false; // no clue
+       // }
+       // }
+       // if (scanner.recordLineSeparator) {
+       // compilationUnit.compilationResult.lineSeparatorPositions =
+       // scanner.getLineEnds();
+       // }
+       // // check placement anomalies against other kinds of brackets
+       // for (int kind = 0; kind < BracketKinds; kind++) {
+       // for (int leftIndex = leftCount[kind] - 1; leftIndex >= 0; leftIndex--) {
+       // int start = leftPositions[kind][leftIndex]; // deepest
+       // // first
+       // // find matching closing bracket
+       // int depth = leftDepths[kind][leftIndex];
+       // int end = -1;
+       // for (int i = 0; i < rightCount[kind]; i++) {
+       // int pos = rightPositions[kind][i];
+       // // want matching bracket further in source with same
+       // // depth
+       // if ((pos > start) && (depth == rightDepths[kind][i])) {
+       // end = pos;
+       // break;
+       // }
+       // }
+       // if (end < 0) { // did not find a good closing match
+       // problemReporter.unmatchedBracket(start, referenceContext,
+       // compilationUnit.compilationResult);
+       // return true;
+       // }
+       // // check if even number of opening/closing other brackets
+       // // in between this pair of brackets
+       // int balance = 0;
+       // for (int otherKind = 0; (balance == 0) && (otherKind < BracketKinds);
+       // otherKind++) {
+       // for (int i = 0; i < leftCount[otherKind]; i++) {
+       // int pos = leftPositions[otherKind][i];
+       // if ((pos > start) && (pos < end))
+       // balance++;
+       // }
+       // for (int i = 0; i < rightCount[otherKind]; i++) {
+       // int pos = rightPositions[otherKind][i];
+       // if ((pos > start) && (pos < end))
+       // balance--;
+       // }
+       // if (balance != 0) {
+       // problemReporter.unmatchedBracket(start, referenceContext,
+       // compilationUnit.compilationResult); //bracket
+       // // anomaly
+       // return true;
+       // }
+       // }
+       // }
+       // // too many opening brackets ?
+       // for (int i = rightCount[kind]; i < leftCount[kind]; i++) {
+       // anomaliesDetected = true;
+       // problemReporter.unmatchedBracket(leftPositions[kind][leftCount[kind] - i -
+       // 1], referenceContext,
+       // compilationUnit.compilationResult);
+       // }
+       // // too many closing brackets ?
+       // for (int i = leftCount[kind]; i < rightCount[kind]; i++) {
+       // anomaliesDetected = true;
+       // problemReporter.unmatchedBracket(rightPositions[kind][i], referenceContext,
+       // compilationUnit.compilationResult);
+       // }
+       // if (anomaliesDetected)
+       // return true;
+       // }
+       // return anomaliesDetected;
+       // } catch (ArrayStoreException e) { // jdk1.2.2 jit bug
+       // return anomaliesDetected;
+       // } catch (NullPointerException e) { // jdk1.2.2 jit bug
+       // return anomaliesDetected;
+       // }
+       // }
+       protected void pushOnAstLengthStack(int pos) {
+               try {
+                       astLengthStack[++astLengthPtr] = pos;
+               } catch (IndexOutOfBoundsException e) {
+                       int oldStackLength = astLengthStack.length;
+                       int[] oldPos = astLengthStack;
+                       astLengthStack = new int[oldStackLength + StackIncrement];
+                       System.arraycopy(oldPos, 0, astLengthStack, 0, oldStackLength);
+                       astLengthStack[astLengthPtr] = pos;
+               }
+       }
+
+       protected void pushOnAstStack(ASTNode node) {
+               /*
+                * add a new obj on top of the ast stack
+                */
+               try {
+                       astStack[++astPtr] = node;
+               } catch (IndexOutOfBoundsException e) {
+                       int oldStackLength = astStack.length;
+                       ASTNode[] oldStack = astStack;
+                       astStack = new ASTNode[oldStackLength + AstStackIncrement];
+                       System.arraycopy(oldStack, 0, astStack, 0, oldStackLength);
+                       astPtr = oldStackLength;
+                       astStack[astPtr] = node;
+               }
+               try {
+                       astLengthStack[++astLengthPtr] = 1;
+               } catch (IndexOutOfBoundsException e) {
+                       int oldStackLength = astLengthStack.length;
+                       int[] oldPos = astLengthStack;
+                       astLengthStack = new int[oldStackLength + AstStackIncrement];
+                       System.arraycopy(oldPos, 0, astLengthStack, 0, oldStackLength);
+                       astLengthStack[astLengthPtr] = 1;
+               }
+       }
+
+       protected void resetModifiers() {
+               this.modifiers = AccDefault;
+               this.modifiersSourceStart = -1; // <-- see comment into
+               // modifiersFlag(int)
+               this.scanner.commentPtr = -1;
+       }
+
+       protected void consumePackageDeclarationName(IFile file) {
+               // create a package name similar to java package names
+               String projectPath = ProjectPrefUtil.getDocumentRoot(file.getProject()).toString();
+               String filePath = file.getRawLocation().toString();
+               String ext = file.getRawLocation().getFileExtension();
+               int fileExtensionLength = ext == null ? 0 : ext.length() + 1;
+               ImportReference impt;
+               char[][] tokens;
+               if (filePath.startsWith(projectPath)) {
+                       tokens = CharOperation
+                                       .splitOn('/', filePath.toCharArray(), projectPath.length() + 1, filePath.length() - fileExtensionLength);
+               } else {
+                       String name = file.getName();
+                       tokens = new char[1][];
+                       tokens[0] = name.substring(0, name.length() - fileExtensionLength).toCharArray();
+               }
+
+               this.compilationUnit.currentPackage = impt = new ImportReference(tokens, new char[0], 0, 0, true);
+
+               impt.declarationSourceStart = 0;
+               impt.declarationSourceEnd = 0;
+               impt.declarationEnd = 0;
+               // endPosition is just before the ;
+
+       }
+
+       public final static String[] GLOBALS = { "$this", "$_COOKIE", "$_ENV", "$_FILES", "$_GET", "$GLOBALS", "$_POST", "$_REQUEST",
+                       "$_SESSION", "$_SERVER" };
+
+       /**
+        *
+        */
+       private void pushFunctionVariableSet() {
+               HashSet set = new HashSet();
+               if (fStackUnassigned.isEmpty()) {
+                       for (int i = 0; i < GLOBALS.length; i++) {
+                               set.add(GLOBALS[i]);
+                       }
+               }
+               fStackUnassigned.add(set);
+       }
+
+       private void pushIfVariableSet() {
+               if (!fStackUnassigned.isEmpty()) {
+                       HashSet set = new HashSet();
+                       fStackUnassigned.add(set);
+               }
+       }
+
+       private HashSet removeIfVariableSet() {
+               if (!fStackUnassigned.isEmpty()) {
+                       return (HashSet) fStackUnassigned.remove(fStackUnassigned.size() - 1);
+               }
+               return null;
+       }
+
+       /**
+        * Returns the <i>set of assigned variables </i> returns null if no Set is
+        * defined at the current scanner position
+        */
+       private HashSet peekVariableSet() {
+               if (!fStackUnassigned.isEmpty()) {
+                       return (HashSet) fStackUnassigned.get(fStackUnassigned.size() - 1);
+               }
+               return null;
+       }
+
+       /**
+        * add the current identifier source to the <i>set of assigned variables </i>
+        *
+        * @param set
+        */
+       private void addVariableSet(HashSet set) {
+               if (set != null) {
+                       set.add(new String(scanner.getCurrentTokenSource()));
+               }
+       }
+
+       /**
+        * add the current identifier source to the <i>set of assigned variables </i>
+        *
+        */
+       private void addVariableSet() {
+               HashSet set = peekVariableSet();
+               if (set != null) {
+                       set.add(new String(scanner.getCurrentTokenSource()));
+               }
+       }
+
+       /**
+        * add the current identifier source to the <i>set of assigned variables </i>
+        *
+        */
+       private void addVariableSet(char[] token) {
+               HashSet set = peekVariableSet();
+               if (set != null) {
+                       set.add(new String(token));
+               }
+       }
+
+       /**
+        * check if the current identifier source is in the <i>set of assigned
+        * variables </i> Returns true, if no set is defined for the current scanner
+        * position
+        *
+        */
+       private boolean containsVariableSet() {
+               return containsVariableSet(scanner.getCurrentTokenSource());
+       }
+
+       private boolean containsVariableSet(char[] token) {
+
+               if (!fStackUnassigned.isEmpty()) {
+                       HashSet set;
+                       String str = new String(token);
+                       for (int i = 0; i < fStackUnassigned.size(); i++) {
+                               set = (HashSet) fStackUnassigned.get(i);
+                               if (set.contains(str)) {
+                                       return true;
+                               }
+                       }
+                       return false;
+               }
+               return true;
+       }
 }
\ No newline at end of file