improved PHP parser
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / parser / Parser.java
index 8a5839f..b1ddd61 100644 (file)
@@ -1,39 +1,85 @@
-/**********************************************************************
-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.Hashtable;
+import java.util.HashMap;
 
-import net.sourceforge.phpdt.core.compiler.*;
-import net.sourceforge.phpeclipse.PHPeclipsePlugin;
-import net.sourceforge.phpeclipse.phpeditor.PHPString;
+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.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.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.internal.compiler.ast.AND_AND_Expression;
+import net.sourceforge.phpeclipse.internal.compiler.ast.ASTNode;
+import net.sourceforge.phpeclipse.internal.compiler.ast.AbstractMethodDeclaration;
+import net.sourceforge.phpeclipse.internal.compiler.ast.BinaryExpression;
+import net.sourceforge.phpeclipse.internal.compiler.ast.CompilationUnitDeclaration;
+import net.sourceforge.phpeclipse.internal.compiler.ast.ConditionalExpression;
+import net.sourceforge.phpeclipse.internal.compiler.ast.EmptyStatement;
+import net.sourceforge.phpeclipse.internal.compiler.ast.EqualExpression;
+import net.sourceforge.phpeclipse.internal.compiler.ast.Expression;
+import net.sourceforge.phpeclipse.internal.compiler.ast.FieldDeclaration;
+import net.sourceforge.phpeclipse.internal.compiler.ast.FieldReference;
+import net.sourceforge.phpeclipse.internal.compiler.ast.IfStatement;
+import net.sourceforge.phpeclipse.internal.compiler.ast.ImportReference;
+import net.sourceforge.phpeclipse.internal.compiler.ast.InstanceOfExpression;
+import net.sourceforge.phpeclipse.internal.compiler.ast.MethodDeclaration;
+import net.sourceforge.phpeclipse.internal.compiler.ast.OR_OR_Expression;
+import net.sourceforge.phpeclipse.internal.compiler.ast.OperatorIds;
+import net.sourceforge.phpeclipse.internal.compiler.ast.SingleTypeReference;
+import net.sourceforge.phpeclipse.internal.compiler.ast.Statement;
+import net.sourceforge.phpeclipse.internal.compiler.ast.StringLiteral;
+import net.sourceforge.phpeclipse.internal.compiler.ast.StringLiteralDQ;
+import net.sourceforge.phpeclipse.internal.compiler.ast.StringLiteralSQ;
+import net.sourceforge.phpeclipse.internal.compiler.ast.TypeDeclaration;
+import net.sourceforge.phpeclipse.internal.compiler.ast.TypeReference;
+import net.sourceforge.phpeclipse.ui.overlaypages.ProjectPrefUtil;
 
 import org.eclipse.core.resources.IFile;
-import org.eclipse.core.resources.IMarker;
-import org.eclipse.core.runtime.CoreException;
-import org.eclipse.jface.preference.IPreferenceStore;
-import org.eclipse.ui.texteditor.MarkerUtilities;
-import test.PHPParserSuperclass;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.IPath;
 
-public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
+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
+
+  // parts of the code/expressions like
+  // method bodies
   //scanner token
   public Scanner scanner;
 
-  private IFile fileToParse;
-  private ArrayList phpList;
+  //  private ArrayList phpList;
 
-  private int currentPHPString;
-  private boolean phpEnd;
+  //  private int currentPHPString;
+
+  //  private boolean phpEnd;
 
   // private static HashMap keywordMap = null;
   private String str;
@@ -47,116 +93,58 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
   //int rowCount;
   // column counter for syntax errors:
   //int columnCount;
-
   //int chIndx;
   //
   //   // current identifier
   //   String identifier;
+  //  Long longNumber;
 
-  Long longNumber;
-  Double doubleNumber;
+  //  Double doubleNumber;
 
-  private String stringValue;
+  //  private String stringValue;
 
   /** Contains the current expression. */
   // private StringBuffer expression;
+  //private boolean phpMode;
+  protected int modifiers;
 
-  private boolean phpMode;
+  protected int modifiersSourceStart;
 
-  //   final static int TokenNameEOF = 0;
-  //   final static int TokenNameERROR = 1;
-  //   final static int TokenNameHTML = 2;
-  //
-  //   final static int TokenNameREMAINDER = 30;
-  //   final static int TokenNameNOT = 31;
-  //   final static int TokenNameDOT = 32;
-  //   final static int TokenNameXOR = 33;
-  //   final static int TokenNameDIVIDE = 34;
-  //   final static int TokenNameMULTIPLY = 35;
-  //   final static int TokenNameMINUS = 36;
-  //   final static int TokenNamePLUS = 37;
-  //   final static int TokenNameEQUAL_EQUAL = 38;
-  //   final static int TokenNameNOT_EQUAL = 39;
-  //   final static int TokenNameGREATER = 40;
-  //   final static int TokenNameGREATER_EQUAL = 41;
-  //   final static int TokenNameLESS = 42;
-  //   final static int TokenNameLESS_EQUAL = 43;
-  //   final static int TokenNameAND_AND = 44;
-  //   final static int TokenNameOR_OR = 45;
-  //   // final static int TokenNameHASH = 46; 
-  //   final static int TokenNameCOLON = 47;
-  //   final static int TokenNameDOT_EQUAL = 48;
-  //
-  //   final static int TokenNameEQUAL = 49;
-  //   final static int TokenNameMINUS_GREATER = 50; // ->
-  //   final static int TokenNameFOREACH = 51;
-  //   final static int TokenNameAND = 52;
-  //   //final static int TokenNameDOLLARLISTOPEN = 53;
-  //   final static int TokenNameTWIDDLE = 54;
-  //   final static int TokenNameTWIDDLE_EQUAL = 55;
-  //   final static int TokenNameREMAINDER_EQUAL = 56;
-  //   final static int TokenNameXOR_EQUAL = 57;
-  //   final static int TokenNameRIGHT_SHIFT_EQUAL = 58;
-  //   final static int TokenNameLEFT_SHIFT_EQUAL = 59;
-  //   final static int TokenNameAND_EQUAL = 60;
-  //   final static int TokenNameOR_EQUAL = 61;
-  //   final static int TokenNameQUESTION = 62;
-  //   final static int TokenNameCOLON_COLON = 63;
-  //   final static int TokenNameAT = 63;
-  //   // final static int TokenNameHEREDOC = 64;
-  //
-  //   final static int TokenNameDOLLAROPEN = 127;
-  //   final static int TokenNameLPAREN = 128;
-  //   final static int TokenNameRPAREN = 129;
-  //   final static int TokenNameLBRACE = 130;
-  //   final static int TokenNameRBRACE = 131;
-  //   final static int TokenNameLBRACKET = 132;
-  //   final static int TokenNameRBRACKET = 133;
-  //   final static int TokenNameCOMMA = 134;
-  //
-  //   final static int TokenNameStringLiteral = 136;
-  //   final static int TokenNameIdentifier = 138;
-  //   // final static int TokenNameDIGIT = 139;
-  //   final static int TokenNameSEMICOLON = 140;
-  //   // final static int TokenNameSLOT = 141;
-  //   // final static int TokenNameSLOTSEQUENCE = 142;
-  //   final static int TokenNameMINUS_MINUS = 144;
-  //   final static int TokenNamePLUS_PLUS = 145;
-  //   final static int TokenNamePLUS_EQUAL = 146;
-  //   final static int TokenNameDIVIDE_EQUAL = 147;
-  //   final static int TokenNameMINUS_EQUAL = 148;
-  //   final static int TokenNameMULTIPLY_EQUAL = 149;
-  //   final static int TokenNameVariable = 150;
-  //   final static int TokenNameIntegerLiteral = 151;
-  //   final static int TokenNameDoubleLiteral = 152;
-  //   final static int TokenNameStringInterpolated = 153;
-  //   final static int TokenNameStringConstant = 154;
-  //
-  //   final static int TokenNameLEFT_SHIFT = 155;
-  //   final static int TokenNameRIGHT_SHIFT = 156;
-  //   final static int TokenNameEQUAL_EQUAL_EQUAL = 157;
-  //   final static int TokenNameNOT_EQUAL_EQUAL = 158;
-  //   final static int TokenNameOR = 159;
-  //  final static int TokenNameAT = 153; // @
-
-  public Parser() {
+  protected Parser(ProblemReporter problemReporter) {
+    this.problemReporter = problemReporter;
+    this.options = problemReporter.options;
+    //    this.currentPHPString = 0;
+    //         PHPParserSuperclass.fileToParse = fileToParse;
+    //    this.phpList = null;
+    //    this.indexManager = 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;
-    this.fileToParse = fileToParse;
-    this.phpList = null;
+    //    this.currentPHPString = 0;
+    //    PHPParserSuperclass.fileToParse = fileToParse;
+    //    this.phpList = null;
+    //    this.indexManager = null;
     this.str = "";
     this.token = TokenNameEOF;
-    this.phpEnd = false;
+    //    this.phpEnd = false;
     this.initializeScanner();
   }
+
   /**
-   *  ClassDeclaration Constructor.
-   *
-   *@param  s
-   *@param  sess  Description of Parameter
-   *@see
+   * ClassDeclaration Constructor.
+   * 
+   * @param s
+   * @param sess
+   *          Description of Parameter
+   * @see
    */
   public Parser(IFile fileToParse) {
     //    if (keywordMap == null) {
@@ -165,1151 +153,173 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
     //        keywordMap.put(PHP_KEYWORS[i], new Integer(PHP_KEYWORD_TOKEN[i]));
     //      }
     //    }
-    this.currentPHPString = 0;
-    this.fileToParse = fileToParse;
-    this.phpList = null;
+    //    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;
+    //    this.phpEnd = false;
     //   getNextToken();
-
     this.initializeScanner();
   }
 
   public void initializeScanner() {
-    this.scanner = new Scanner(false, false, false, false);
+    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) throws CoreException {
-    setMarker(fileToParse, message, charStart, charEnd, errorLevel);
-  }
-
+  //  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
+   * 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) {
-
-    //    if (str.length() < chIndx) {
-    //      chIndx--;
-    //    }
-    //    // read until end-of-line
-    //    int eol = chIndx;
-    //    while (str.length() > eol) {
-    //      ch = str.charAt(eol++);
-    //      if (ch == '\n') {
-    //        eol--;
-    //        break;
-    //      }
-    //    }
-    //    throw new SyntaxError(
-    //      rowCount,
-    //      chIndx - columnCount + 1,
-    //      str.substring(columnCount, eol),
-    //      error);
-    throw new SyntaxError(1, 1, "", error);
+    int problemStartPosition = scanner.getCurrentTokenStartPosition();
+    int problemEndPosition = scanner.getCurrentTokenEndPosition();
+    throwSyntaxError(error, problemStartPosition, problemEndPosition + 1);
   }
 
   /**
-   * 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
+   * 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 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);
   }
 
-  /**
-   *  Method Declaration.
-   *
-   *@see
-   */
-  //  private void getChar() {
-  //    if (str.length() > chIndx) {
-  //      ch = str.charAt(chIndx++);
-  //
-  //      return;
-  //    }
-  //
-  //    chIndx = str.length() + 1;
-  //    ch = ' ';
-  //    //  token = TokenNameEOF;
-  //    phpEnd = true;
-  //  }
+  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() throws CoreException {
+  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;
+  }
 
-    //         boolean phpFound = false;
-    //         char ch2;
-    //
-    //         phpEnd = false;
-    //         try {
-    //                 if (!phpMode) {
-    //
-    //                         while (str.length() > chIndx) {
-    //                                 token = TokenNameERROR;
-    //                                 ch = str.charAt(chIndx++);
-    //
-    //                                 if (ch == '\n') {
-    //                                         rowCount++;
-    //                                 }
-    //                                 if (ch == '<') {
-    //                                         ch2 = str.charAt(chIndx++);
-    //                                         if (ch2 == '?') {
-    //                                                 ch2 = str.charAt(chIndx++);
-    //                                                 if (Character.isWhitespace(ch2)) {
-    //                                                         // php start
-    //                                                         phpMode = true;
-    //                                                         phpFound = true;
-    //                                                         break;
-    //                                                 } else if (ch2 == 'p' || ch2 == 'P') {
-    //                                                         ch2 = str.charAt(chIndx++);
-    //                                                         if (ch2 == 'h' || ch2 == 'H') {
-    //                                                                 ch2 = str.charAt(chIndx++);
-    //                                                                 if (ch2 == 'p' || ch2 == 'P') {
-    //                                                                         phpMode = true;
-    //                                                                         phpFound = true;
-    //                                                                         break;
-    //                                                                 }
-    //                                                                 chIndx--;
-    //                                                         }
-    //                                                         chIndx--;
-    //                                                 }
-    //                                                 chIndx--;
-    //                                         }
-    //                                         chIndx--;
-    //                                 }
-    //                         }
-    //
-    //                 }
-    //
-    //                 if (phpMode) {
-    //                         while (str.length() > chIndx) {
-    //                                 ch = str.charAt(chIndx++);
-    //                                 token = TokenNameERROR;
-    //                                 if (ch == '\n') {
-    //                                         rowCount++;
-    //                                         columnCount = chIndx;
-    //                                         continue; // while loop
-    //                                 }
-    //                                 if (str.length() == chIndx) {
-    //                                         phpEnd = true;
-    //                                 }
-    //                                 if (!Character.isWhitespace(ch)) {
-    //                                         if (ch == '$') {
-    //                                                 if (str.length() > chIndx) {
-    //                                                         if (str.charAt(chIndx) == '{') {
-    //                                                                 chIndx++;
-    //                                                                 token = TokenNameDOLLAROPEN;
-    //                                                                 return;
-    //                                                         }
-    //                                                 }
-    //                                                 getIdentifier();
-    //                                                 return;
-    //                                         }
-    //                                         if ((ch >= 'a' && ch <= 'z')
-    //                                                 || (ch >= 'A' && ch <= 'Z')
-    //                                                 || (ch == '_')
-    //                                                 || (ch == '$')) {
-    //                                                 getIdentifier();
-    //                                                 return;
-    //                                         }
-    //                                         if (ch >= '0' && ch <= '9') {
-    //                                                 getNumber();
-    //                                                 return;
-    //                                         }
-    //                                         if (ch == '/') {
-    //                                                 if (str.length() > chIndx) {
-    //                                                         if (str.charAt(chIndx) == '/') {
-    //                                                                 ch = '/';
-    //                                                                 chIndx++;
-    //                                                                 // read comment until end of line:
-    //                                                                 while ((str.length() > chIndx)
-    //                                                                         && (ch != '\n')) {
-    //                                                                         ch = str.charAt(chIndx++);
-    //                                                                         if (ch == '?') {
-    //                                                                                 ch2 = str.charAt(chIndx);
-    //                                                                                 if (ch2 == '>') {
-    //                                                                                         chIndx++;
-    //                                                                                         token = TokenNameHTML;
-    //                                                                                         // php end
-    //                                                                                         phpMode = false;
-    //                                                                                         phpEnd = true;
-    //                                                                                         return;
-    //                                                                                 }
-    //                                                                         }
-    //                                                                 }
-    //                                                                 rowCount++;
-    //                                                                 continue;
-    //
-    //                                                         } else if (str.charAt(chIndx) == '*') {
-    //                                                                 chIndx++;
-    //                                                                 // multi line comment:
-    //                                                                 while (str.length() > chIndx) {
-    //                                                                         if (str.charAt(chIndx) == '*'
-    //                                                                                 && (str.length() > (chIndx + 1))
-    //                                                                                 && str.charAt(chIndx + 1) == '/') {
-    //                                                                                 chIndx += 2;
-    //                                                                                 break;
-    //                                                                         }
-    //                                                                         ch = str.charAt(chIndx++);
-    //                                                                         if (ch == '\n') {
-    //                                                                                 rowCount++;
-    //                                                                                 columnCount = chIndx;
-    //                                                                         }
-    //                                                                 }
-    //                                                                 continue;
-    //                                                         }
-    //                                                 }
-    //                                         } else if (ch == '#') {
-    //                                                 // read comment until end of line:
-    //                                                 while ((str.length() > chIndx) && (ch != '\n')) {
-    //                                                         ch = str.charAt(chIndx++);
-    //                                                         if (ch == '?') {
-    //                                                                 ch2 = str.charAt(chIndx);
-    //                                                                 if (ch2 == '>') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameHTML;
-    //                                                                         // php end
-    //                                                                         phpMode = false;
-    //                                                                         phpEnd = true;
-    //                                                                         return;
-    //                                                                 }
-    //                                                         }
-    //                                                 }
-    //                                                 rowCount++;
-    //                                                 continue;
-    //
-    //                                         } else if (ch == '"') {
-    //                                                 getString(
-    //                                                         '"',
-    //                                                         TokenNameStringInterpolated,
-    //                                                         "Open string character '\"' at end of file.");
-    //                                                 return;
-    //                                         } else if (ch == '\'') {
-    //                                                 getString(
-    //                                                         '\'',
-    //                                                         TokenNameStringConstant,
-    //                                                         "Open string character \"'\" at end of file.");
-    //                                                 return;
-    //                                         } else if (ch == '`') {
-    //                                                 getString(
-    //                                                         '`',
-    //                                                         TokenNameStringConstant,
-    //                                                         "Open string character \"`\" at end of file.");
-    //                                                 setMarker(
-    //                                                         "Other string delimiters prefered (found \"`\").",
-    //                                                         rowCount,
-    //                                                         PHPParser.INFO);
-    //                                                 return;
-    //                                         }
-    //
-    //                                         switch (ch) {
-    //
-    //                                                 case '(' :
-    //                                                         token = TokenNameLPAREN;
-    //
-    //                                                         break;
-    //                                                 case ')' :
-    //                                                         token = TokenNameRPAREN;
-    //
-    //                                                         break;
-    //                                                 case '{' :
-    //                                                         token = TokenNameLBRACE;
-    //
-    //                                                         break;
-    //                                                 case '}' :
-    //                                                         token = TokenNameRBRACE;
-    //
-    //                                                         break;
-    //                                                 case '[' :
-    //                                                         token = TokenNameLBRACKET;
-    //
-    //                                                         break;
-    //                                                 case ']' :
-    //                                                         token = TokenNameRBRACKET;
-    //
-    //                                                         break;
-    //                                                 case ',' :
-    //                                                         token = TokenNameCOMMA;
-    //
-    //                                                         break;
-    //                                                 case '?' :
-    //                                                         token = TokenNameQUESTION;
-    //                                                         if (str.length() > chIndx) {
-    //                                                                 if (str.charAt(chIndx) == '>') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameHTML;
-    //                                                                         // php end
-    //                                                                         phpMode = false;
-    //                                                                         phpEnd = true;
-    //                                                                         break;
-    //                                                                 }
-    //                                                         }
-    //
-    //                                                         break;
-    //                                                 case '@' :
-    //                                                         token = TokenNameAT;
-    //                                                         break;
-    //                                                 case '~' :
-    //                                                         token = TokenNameTWIDDLE;
-    //                                                         if (str.length() > chIndx) {
-    //                                                                 if (str.charAt(chIndx) == '=') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameTWIDDLE_EQUAL;
-    //
-    //                                                                         break;
-    //                                                                 }
-    //                                                         }
-    //                                                         break;
-    //                                                 case '.' :
-    //                                                         token = TokenNameDOT;
-    //                                                         if (str.length() > chIndx) {
-    //                                                                 if (str.charAt(chIndx) == '=') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameDOT_EQUAL;
-    //
-    //                                                                         break;
-    //                                                                 }
-    //                                                         }
-    //
-    //                                                         break;
-    //                                                 case '"' :
-    //                                                         token = TokenNameStringLiteral;
-    //
-    //                                                         break;
-    //                                                 case '%' :
-    //                                                         token = TokenNameREMAINDER;
-    //                                                         if (str.length() > chIndx) {
-    //                                                                 if (str.charAt(chIndx) == '=') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameREMAINDER_EQUAL;
-    //
-    //                                                                         break;
-    //                                                                 }
-    //                                                         }
-    //                                                         break;
-    //                                                 case ';' :
-    //                                                         token = TokenNameSEMICOLON;
-    //
-    //                                                         break;
-    //                                                 case '^' :
-    //                                                         token = TokenNameXOR;
-    //                                                         if (str.length() > chIndx) {
-    //                                                                 if (str.charAt(chIndx) == '=') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameXOR_EQUAL;
-    //
-    //                                                                         break;
-    //                                                                 }
-    //                                                         }
-    //                                                         break;
-    //                                                 case '/' :
-    //                                                         token = TokenNameDIVIDE;
-    //
-    //                                                         if (str.length() > chIndx) {
-    //                                                                 if (str.charAt(chIndx) == '=') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameDIVIDE_EQUAL;
-    //
-    //                                                                         break;
-    //                                                                 }
-    //                                                         }
-    //
-    //                                                         break;
-    //                                                 case '*' :
-    //                                                         token = TokenNameMULTIPLY;
-    //                                                         if (str.length() > chIndx) {
-    //                                                                 if (str.charAt(chIndx) == '*') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameXOR;
-    //
-    //                                                                         break;
-    //                                                                 }
-    //                                                                 if (str.charAt(chIndx) == '=') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameMULTIPLY_EQUAL;
-    //
-    //                                                                         break;
-    //                                                                 }
-    //                                                         }
-    //
-    //                                                         break;
-    //                                                 case '+' :
-    //                                                         token = TokenNamePLUS;
-    //                                                         if (str.length() > chIndx) {
-    //                                                                 if (str.charAt(chIndx) == '+') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNamePLUS_PLUS;
-    //
-    //                                                                         break;
-    //                                                                 }
-    //                                                                 if (str.charAt(chIndx) == '=') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNamePLUS_EQUAL;
-    //
-    //                                                                         break;
-    //                                                                 }
-    //                                                         }
-    //                                                         break;
-    //                                                 case '-' :
-    //                                                         token = TokenNameMINUS;
-    //                                                         if (str.length() > chIndx) {
-    //                                                                 if (str.charAt(chIndx) == '-') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameMINUS_MINUS;
-    //
-    //                                                                         break;
-    //                                                                 }
-    //                                                                 if (str.charAt(chIndx) == '=') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameMINUS_EQUAL;
-    //
-    //                                                                         break;
-    //                                                                 }
-    //                                                                 if (str.charAt(chIndx) == '>') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameMINUS_GREATER;
-    //
-    //                                                                         break;
-    //                                                                 }
-    //                                                         }
-    //
-    //                                                         break;
-    //                                                 case '=' :
-    //                                                         token = TokenNameEQUAL;
-    //
-    //                                                         if (str.length() > chIndx) {
-    //                                                                 ch = str.charAt(chIndx);
-    //
-    //                                                                 if (ch == '=') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameEQUAL_EQUAL;
-    //                                                                         if (str.length() > chIndx) {
-    //                                                                                 ch = str.charAt(chIndx);
-    //
-    //                                                                                 if (ch == '=') {
-    //                                                                                         chIndx++;
-    //                                                                                         token =
-    //                                                                                                 TokenNameEQUAL_EQUAL_EQUAL;
-    //                                                                                 }
-    //                                                                         }
-    //                                                                         break;
-    //                                                                 }
-    //                                                                 if (ch == '>') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameEQUAL_GREATER;
-    //
-    //                                                                         break;
-    //                                                                 }
-    //                                                         }
-    //
-    //                                                         break;
-    //                                                 case '!' :
-    //                                                         token = TokenNameNOT;
-    //
-    //                                                         if (str.length() > chIndx) {
-    //                                                                 if (str.charAt(chIndx) == '=') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameNOT_EQUAL;
-    //                                                                         if (str.length() > chIndx) {
-    //                                                                                 ch = str.charAt(chIndx);
-    //
-    //                                                                                 if (ch == '=') {
-    //                                                                                         chIndx++;
-    //                                                                                         token =
-    //                                                                                                 TokenNameNOT_EQUAL_EQUAL;
-    //                                                                                 }
-    //                                                                         }
-    //                                                                         break;
-    //                                                                 }
-    //                                                         }
-    //
-    //                                                         break;
-    //                                                 case '>' :
-    //                                                         token = TokenNameGREATER;
-    //
-    //                                                         if (str.length() > chIndx) {
-    //                                                                 if (str.charAt(chIndx) == '=') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameGREATER_EQUAL;
-    //                                                                         break;
-    //                                                                 }
-    //                                                                 if (str.charAt(chIndx) == '>') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameRIGHT_SHIFT;
-    //                                                                         if (str.length() > chIndx) {
-    //                                                                                 if (str.charAt(chIndx) == '=') {
-    //                                                                                         chIndx++;
-    //                                                                                         token =
-    //                                                                                                 TokenNameRIGHT_SHIFT_EQUAL;
-    //                                                                                         break;
-    //                                                                                 }
-    //                                                                         }
-    //                                                                         break;
-    //                                                                 }
-    //                                                         }
-    //
-    //                                                         break;
-    //                                                 case '<' :
-    //                                                         token = TokenNameLESS;
-    //
-    //                                                         if (str.length() > chIndx) {
-    //                                                                 if (str.charAt(chIndx) == '=') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameLESS_EQUAL;
-    //
-    //                                                                         break;
-    //                                                                 }
-    //                                                                 if (str.charAt(chIndx) == '<') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameLEFT_SHIFT;
-    //                                                                         if (str.charAt(chIndx) == '<') {
-    //                                                                                 // heredoc
-    //                                                                                 int startRow = rowCount;
-    //                                                                                 if (str.length() > chIndx) {
-    //
-    //                                                                                         ch = str.charAt(++chIndx);
-    //                                                                                         if ((ch >= 'a' && ch <= 'z')
-    //                                                                                                 || (ch >= 'A' && ch <= 'Z')
-    //                                                                                                 || (ch == '_')) {
-    //                                                                                                 chIndx++;
-    //                                                                                                 getIdentifier();
-    //                                                                                                 token =
-    //                                                                                                         TokenNameStringConstant;
-    //                                                                                                 while (str.length()
-    //                                                                                                         > chIndx) {
-    //                                                                                                         ch =
-    //                                                                                                                 str.charAt(
-    //                                                                                                                         chIndx++);
-    //                                                                                                         if (ch == '\n') {
-    //                                                                                                                 if (str.length()
-    //                                                                                                                         >= chIndx
-    //                                                                                                                                 + identifier
-    //                                                                                                                                         .length()) {
-    //                                                                                                                         if (str
-    //                                                                                                                                 .substring(
-    //                                                                                                                                         chIndx,
-    //                                                                                                                                         chIndx
-    //                                                                                                                                                 + identifier
-    //                                                                                                                                                         .length())
-    //                                                                                                                                 .equals(identifier)) {
-    //                                                                                                                                 chIndx
-    //                                                                                                                                         += identifier
-    //                                                                                                                                                 .length();
-    //                                                                                                                                 return;
-    //                                                                                                                         }
-    //                                                                                                                 }
-    //                                                                                                         }
-    //                                                                                                 }
-    //                                                                                         }
-    //                                                                                 }
-    //                                                                                 throwSyntaxError(
-    //                                                                                         "Open heredoc syntax after operator '<<<'.",
-    //                                                                                         startRow);
-    //                                                                         } else if (str.charAt(chIndx) == '=') {
-    //                                                                                 chIndx++;
-    //                                                                                 token = TokenNameLEFT_SHIFT_EQUAL;
-    //                                                                                 break;
-    //                                                                         }
-    //                                                                         break;
-    //                                                                 }
-    //                                                         }
-    //
-    //                                                         break;
-    //
-    //                                                 case '|' :
-    //                                                         token = TokenNameOR;
-    //
-    //                                                         if (str.length() > chIndx) {
-    //                                                                 if (str.charAt(chIndx) == '|') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameOR_OR;
-    //                                                                         break;
-    //                                                                 }
-    //                                                                 if (str.charAt(chIndx) == '=') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameOR_EQUAL;
-    //                                                                         break;
-    //                                                                 }
-    //                                                         }
-    //
-    //                                                         break;
-    //                                                 case '&' :
-    //                                                         token = TokenNameAND;
-    //                                                         if (str.length() > chIndx) {
-    //                                                                 if (str.charAt(chIndx) == '&') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameAND_AND;
-    //                                                                         break;
-    //                                                                 }
-    //                                                                 if (str.charAt(chIndx) == '=') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameAND_EQUAL;
-    //                                                                         break;
-    //                                                                 }
-    //                                                                 break;
-    //                                                         }
-    //
-    //                                                         break;
-    //                                                 case ':' :
-    //                                                         token = TokenNameCOLON;
-    //                                                         if (str.length() > chIndx) {
-    //                                                                 if (str.charAt(chIndx) == ':') {
-    //                                                                         chIndx++;
-    //                                                                         token = TokenNameCOLON_COLON;
-    //                                                                 }
-    //                                                         }
-    //                                                         break;
-    //                                                         //              case '#' :
-    //                                                         //                token = TokenNameHASH;
-    //                                                         //
-    //                                                         //                break;
-    //                                                         //          case '@' :
-    //                                                         //            token = TokenNameAT;
-    //                                                         //
-    //                                                         //            break;
-    //                                                 default :
-    //                                                         throwSyntaxError(
-    //                                                                 "unexpected character: '" + ch + "'");
-    //                                         }
-    //
-    //                                         if (token == TokenNameERROR) {
-    //                                                 throwSyntaxError("token not found");
-    //                                         }
-    //
-    //                                         return;
-    //                                 }
-    //                         }
-    //                 }
-    //         } catch (StringIndexOutOfBoundsException e) {
-    //                 // catched from charAt
-    //         }
-    //
-    //         chIndx = str.length() + 1;
-    //         ch = ' ';
-    //         token = TokenNameEOF;
-    //         phpEnd = true;
-    //         //PHPString temp;
-    //         //    if (phpList != null) {
-    //         //      if (currentPHPString < phpList.size()) {
-    //         //        token = TokenNameUNDEFINED;
-    //         //        temp = (PHPString) phpList.get(currentPHPString++);
-    //         //        this.str = temp.getPHPString();
-    //         //        this.token = TokenNameEOF;
-    //         //        this.chIndx = 0;
-    //         //        this.rowCount = temp.getLineNumber();
-    //         //        this.columnCount = 0;
-    //         //        getNextToken();
-    //         //        phpEnd = true;
-    //         //      } else {
-    //         //        token = TokenNameUNDEFINED;
-    //         //        return;
-    //         //      }
-    //         //    }
-  }
-
-  //   /**
-  //    * Get an identifier.
-  //    */
-  //   private void getIdentifier() {
-  //           //  StringBuffer ident = new StringBuffer();
-  //           int startPosition = chIndx - 1;
-  //           //    ident.append(ch);
-  //           if (ch == '$') {
-  //                   getChar();
-  //                   // attention recursive call:
-  //                   getIdentifier();
-  //                   token = TokenNameVariable;
-  //                   return;
-  //           } else {
-  //                   token = TokenNameIdentifier;
-  //           }
-  //
-  //           getChar();
-  //
-  //           //this will read the buffer until the next character is a forbidden character for identifier
-  //           while ((ch >= 'a' && ch <= 'z')
-  //                   || (ch >= 'A' && ch <= 'Z')
-  //                   || (ch >= '0' && ch <= '9')
-  //                   || (ch == '_')) {
-  //                   //    ident.append(ch);
-  //                   getChar();
-  //           }
-  //           int endPosition = chIndx--;
-  //           int length = (--endPosition) - startPosition;
-  //
-  //           identifier = str.substring(startPosition, endPosition);
-  //           // System.out.println(identifier);
-  //
-  //           // determine if this identitfer is a keyword
-  //           // @todo improve this in future version
-  //           Integer i = (Integer) keywordMap.get(identifier.toLowerCase());
-  //           if (i != null) {
-  //                   token = i.intValue();
-  //           }
-  //   }
-
-  /**
-   * 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) throws CoreException {
+  public void init(String s) {
     this.str = s;
-    if (s == null) {
-      if (phpList.size() != 0) {
-        this.str = ((PHPString) phpList.get(currentPHPString++)).getPHPString();
-      }
-    }
     this.token = TokenNameEOF;
+    this.includesList = new ArrayList();
     //    this.chIndx = 0;
-    //    this.rowCount = rowCount;
+    //    this.rowCount = 1;
     //    this.columnCount = 0;
-    this.phpEnd = false;
-    this.phpMode = true;
+    //    this.phpEnd = false;
+    //    this.phpMode = false;
+    /* scanner initialization */
     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.");
-          }
+    scanner.setPHPMode(false);
+    astPtr = 0;
+  }
 
-          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 == TokenNameclass || token == TokenNamefunction) {
-            break;
-          }
-          getNextToken();
-        }
-        if (token == TokenNameEOF || token == TokenNameERROR) {
-          return;
-        }
-      }
-    }
-    while (true);
+  protected void initialize(boolean phpMode) {
+    initialize(phpMode, null);
   }
 
-  /**
-   * Parses a string with php tags
-   * i.e. '&lt;body&gt; &lt;?php phpinfo() ?&gt; &lt;/body&gt;'
-   */
-  public void parse(String s) throws CoreException {
-    this.str = s;
+  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 = false;
-    /* scanner initialization */
-    scanner.setSource(s.toCharArray());
-    scanner.setPHPMode(false);
+    //    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;
+    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 {
@@ -1329,7 +339,6 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
           if (token == TokenNameRBRACKET) {
             throwSyntaxError("Too many closing ']'; end-of-file not reached.");
           }
-
           if (token == TokenNameLPAREN) {
             throwSyntaxError("Read character '('; end-of-file not reached.");
           }
@@ -1339,230 +348,169 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
           if (token == TokenNameLBRACKET) {
             throwSyntaxError("Read character '[';  end-of-file not reached.");
           }
-
           throwSyntaxError("End-of-file not reached.");
         }
-        return;
+        break;
       } 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 == 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;
-        }
+        break;
+        //        // if an error occured,
+        //        // try to find keywords 'abstract' 'final' 'class' or 'function'
+        //        // to parse the rest of the string
+        //        boolean tokenize = scanner.tokenizeStrings;
+        //        if (!tokenize) {
+        //          scanner.tokenizeStrings = true;
+        //        }
+        //        try {
+        //          while (token != TokenNameEOF) {
+        //            if (token == TokenNameabstract || token == TokenNamefinal || token == TokenNameclass || token == TokenNamefunction) {
+        //              break;
+        //            }
+        //            getNextToken();
+        //          }
+        //          if (token == TokenNameEOF) {
+        //            break;
+        //          }
+        //        } catch (SyntaxError sytaxErr2) {
+        //          break;
+        //        } finally {
+        //          scanner.tokenizeStrings = tokenize;
+        //        }
       }
-    }
-    while (true);
+    } while (true);
+
+    endParse(0);
   }
 
-  public PHPOutlineInfo parseInfo(Object parent, String s) {
-    PHPOutlineInfo outlineInfo = new PHPOutlineInfo(parent);
-    //    Stack stack = new Stack();
-    //    stack.push(outlineInfo.getDeclarations());
+  /**
+   * 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);
+  }
 
-    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);
+  /**
+   * 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;
 
-    try {
-      getNextToken();
-      parseDeclarations(outlineInfo, outlineInfo.getDeclarations(), false);
-    } catch (CoreException e) {
+      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 = scanner.getCurrentTokenStartPosition();
+        if (sourceEnd <= 0 || methodDecl.declarationSourceStart > sourceEnd) {
+          sourceEnd = methodDecl.declarationSourceStart + 1;
+        }
+        methodDecl.declarationSourceEnd = sourceEnd;
+      }
     }
-    return outlineInfo;
   }
 
-  private void parseDeclarations(PHPOutlineInfo outlineInfo, OutlineableWithChildren current, boolean goBack) {
-    char[] ident;
-    //   PHPClassDeclaration current = (PHPClassDeclaration) stack.peek();
-    PHPSegmentWithChildren temp;
-    int counter = 0;
+  protected CompilationUnitDeclaration endParse(int act) {
 
-    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) {
+    this.lastAct = act;
 
-              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 :
-                    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;
-                }
-              }
+    //    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;
+  }
 
-            } else {
-              ident = scanner.getCurrentIdentifierSource();
+  private boolean isVariable() {
+    return token == TokenNameVariable; //  || token == TokenNamethis;
+  }
 
-              current.add(new PHPVarDeclaration(current, variableName,
-              //          chIndx - ident.length
-              scanner.getCurrentTokenStartPosition()));
+  private void statementList() {
+    do {
+      try {
+        statement(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;
+        }
+      } 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;
             }
-          }
-        } 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();
+            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;
             }
-            parseDeclarations(outlineInfo, temp, true);
-            //        stack.pop();
+            //            System.out.println(scanner.toStringAction(token));
+            getNextToken();
+            //            System.out.println(scanner.toStringAction(token));
           }
-        } else if ((token == TokenNameLBRACE) || (token == TokenNameDOLLAR_LBRACE)) {
-          getNextToken();
-          counter++;
-        } else if (token == TokenNameRBRACE) {
-          getNextToken();
-          --counter;
-          if (counter == 0 && goBack) {
-            return;
+          if (token == TokenNameEOF) {
+            throw sytaxErr1;
           }
-        } else if (
-          token == TokenNamerequire
-            || token == TokenNamerequire_once
-            || token == TokenNameinclude
-            || token == TokenNameinclude_once) {
-          ident = scanner.getCurrentTokenSource();
-
-          getNextToken();
-          int startPosition = scanner.getCurrentTokenStartPosition();
-          expression();
-          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();
+        } finally {
+          scanner.tokenizeStrings = tokenize;
         }
       }
-    } catch (CoreException e) {
-    } catch (SyntaxError sytaxErr) {
-      try {
-        //  setMarker(sytaxErr.getMessage(), sytaxErr.getLine(), ERROR);
-        setMarker(sytaxErr.getMessage(), scanner.getCurrentTokenStartPosition(), scanner.getCurrentTokenEndPosition(), ERROR);
-      } catch (CoreException e) {
-      }
-    }
-  }
-
-  private void statementList() throws CoreException {
-    do {
-      statement();
-      if ((token == TokenNameRBRACE)
-        || (token == TokenNamecase)
-        || (token == TokenNamedefault)
-        || (token == TokenNameelseif)
-        || (token == TokenNameendif)
-        || (token == TokenNameendfor)
-        || (token == TokenNameendforeach)
-        || (token == TokenNameendwhile)
-        || (token == TokenNameendswitch)
-        || (token == TokenNameEOF)
-        || (token == TokenNameERROR)) {
-        return;
-      }
     } while (true);
   }
 
-  private void compoundStatement() throws CoreException {
+  private void functionBody(MethodDeclaration methodDecl) {
     // '{' [statement-list] '}'
     if (token == TokenNameLBRACE) {
       getNextToken();
@@ -1573,57 +521,32 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
       statementList();
     }
     if (token == TokenNameRBRACE) {
+      //      methodDecl.declarationSourceEnd = scanner.getCurrentTokenEndPosition();
       getNextToken();
     } else {
       throwSyntaxError("'}' expected in compound-statement.");
     }
   }
 
-  private void statement() throws CoreException {
-    //   if (token > TokenNameKEYWORD && token != TokenNamelist && token != TokenNamenew) {
-    //  char[] ident = scanner.getCurrentIdentifierSource();
-    //  String keyword = new String(ident);
-    if (token == TokenNameinclude || token == TokenNameinclude_once) {
-      getNextToken();
-      expression();
-      if (token == TokenNameSEMICOLON) {
-        getNextToken();
-      } else {
-        if (token != TokenNameStopPHP) {
-          throwSyntaxError("';' character after 'include' or 'include_once' expected.");
-        }
-        getNextToken();
-      }
-      return;
-    } else if (token == TokenNamerequire || token == TokenNamerequire_once) {
-      getNextToken();
-      //constant();
-      expression();
-      if (token == TokenNameSEMICOLON) {
-        getNextToken();
-      } else {
-        if (token != TokenNameStopPHP) {
-          throwSyntaxError("';' character after 'require' or 'require_once' expected.");
-        }
-        getNextToken();
-      }
-      return;
-    } else if (token == TokenNameif) {
+  private Statement statement(int previousToken) {
+    Statement statement = null;
+    Expression expression;
+    int sourceStart = scanner.getCurrentTokenStartPosition();
+    if (token == TokenNameif) {
       getNextToken();
       if (token == TokenNameLPAREN) {
         getNextToken();
       } else {
         throwSyntaxError("'(' expected after 'if' keyword.");
       }
-      expression();
+      expression = expr();
       if (token == TokenNameRPAREN) {
         getNextToken();
       } else {
         throwSyntaxError("')' expected after 'if' condition.");
       }
       ifStatement();
-      return;
-
+      return new IfStatement(expression, statement, sourceStart, scanner.getCurrentTokenEndPosition());
     } else if (token == TokenNameswitch) {
       getNextToken();
       if (token == TokenNameLPAREN) {
@@ -1631,14 +554,14 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
       } else {
         throwSyntaxError("'(' expected after 'switch' keyword.");
       }
-      expression();
+      expr();
       if (token == TokenNameRPAREN) {
         getNextToken();
       } else {
         throwSyntaxError("')' expected after 'switch' condition.");
       }
       switchStatement();
-      return;
+      return statement;
     } else if (token == TokenNamefor) {
       getNextToken();
       if (token == TokenNameLPAREN) {
@@ -1677,7 +600,7 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
         }
       }
       forStatement();
-      return;
+      return statement;
     } else if (token == TokenNamewhile) {
       getNextToken();
       if (token == TokenNameLPAREN) {
@@ -1685,28 +608,28 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
       } else {
         throwSyntaxError("'(' expected after 'while' keyword.");
       }
-      expression();
+      expr();
       if (token == TokenNameRPAREN) {
         getNextToken();
       } else {
         throwSyntaxError("')' expected after 'while' condition.");
       }
       whileStatement();
-      return;
+      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 {
-        throwSyntaxError("'{' expected after 'do' keyword.");
-      }
-      if (token != TokenNameRBRACE) {
-        statementList();
-      }
-      if (token == TokenNameRBRACE) {
-        getNextToken();
-      } else {
-        throwSyntaxError("'}' expected after 'do' keyword.");
+        statement(TokenNameEOF);
       }
       if (token == TokenNamewhile) {
         getNextToken();
@@ -1715,7 +638,7 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
         } else {
           throwSyntaxError("'(' expected after 'while' keyword.");
         }
-        expression();
+        expr();
         if (token == TokenNameRPAREN) {
           getNextToken();
         } else {
@@ -1727,12 +650,12 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
       if (token == TokenNameSEMICOLON) {
         getNextToken();
       } else {
-        if (token != TokenNameStopPHP) {
+        if (token != TokenNameINLINE_HTML) {
           throwSyntaxError("';' expected after do-while statement.");
         }
         getNextToken();
       }
-      return;
+      return statement;
     } else if (token == TokenNameforeach) {
       getNextToken();
       if (token == TokenNameLPAREN) {
@@ -1740,13 +663,15 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
       } else {
         throwSyntaxError("'(' expected after 'foreach' keyword.");
       }
-      expression();
+      expr();
       if (token == TokenNameas) {
         getNextToken();
       } else {
         throwSyntaxError("'as' expected after 'foreach' exxpression.");
       }
-      variable();
+      //      variable();
+      foreach_variable();
+      foreach_optional_arg();
       if (token == TokenNameEQUAL_GREATER) {
         getNextToken();
         variable();
@@ -1757,35 +682,36 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
         throwSyntaxError("')' expected after 'foreach' expression.");
       }
       foreachStatement();
-      return;
-
+      return statement;
     } else if (token == TokenNamecontinue || token == TokenNamebreak || token == TokenNamereturn) {
       getNextToken();
       if (token != TokenNameSEMICOLON) {
-        expression();
+        expr();
       }
       if (token == TokenNameSEMICOLON) {
         getNextToken();
       } else {
-        if (token != TokenNameStopPHP) {
+        if (token != TokenNameINLINE_HTML) {
           throwSyntaxError("';' expected after 'continue', 'break' or 'return'.");
         }
         getNextToken();
       }
-      return;
-
+      return statement;
     } else if (token == TokenNameecho) {
       getNextToken();
       expressionList();
       if (token == TokenNameSEMICOLON) {
         getNextToken();
       } else {
-        if (token != TokenNameStopPHP) {
+        if (token != TokenNameINLINE_HTML) {
           throwSyntaxError("';' expected after 'echo' statement.");
         }
         getNextToken();
       }
-      return;
+      return statement;
+    } else if (token == TokenNameINLINE_HTML) {
+      getNextToken();
+      return statement;
       //    } else if (token == TokenNameprint) {
       //      getNextToken();
       //      expression();
@@ -1798,158 +724,442 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
       //        getNextToken();
       //      }
       //      return;
-
-    } else if (token == TokenNameglobal || token == TokenNamestatic) {
+    } else if (token == TokenNameglobal) {
       getNextToken();
-      variableList();
+      global_var_list();
       if (token == TokenNameSEMICOLON) {
         getNextToken();
       } else {
-        if (token != TokenNameStopPHP) {
-          throwSyntaxError("';' expected after 'global' or 'static' statement.");
+        if (token != TokenNameINLINE_HTML) {
+          throwSyntaxError("';' expected after 'global' statement.");
         }
         getNextToken();
       }
-      return;
-
-      //      } else if (token == TokenNameunset) {
-      //        getNextToken();
-      //        if (token == TokenNameARGOPEN) {
-      //          getNextToken();
-      //        } else {
-      //          throwSyntaxError("'(' expected after 'unset' keyword.");
-      //        }
-      //        variableList();
-      //        if (token == TokenNameARGCLOSE) {
-      //          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) {
+      return statement;
+    } else if (token == TokenNamestatic) {
       getNextToken();
-      if (token == TokenNameLPAREN) {
+      static_var_list();
+      if (token == TokenNameSEMICOLON) {
         getNextToken();
       } else {
-        throwSyntaxError("'(' expected after 'define' keyword.");
-      }
-      expression();
-      if (token == TokenNameCOMMA) {
+        if (token != TokenNameINLINE_HTML) {
+          throwSyntaxError("';' expected after 'static' statement.");
+        }
         getNextToken();
-      } else {
-        throwSyntaxError("',' expected after first 'define' constant.");
       }
-      expression();
-      if (token == TokenNameCOMMA) {
+      return statement;
+    } else if (token == TokenNameunset) {
+      getNextToken();
+      if (token == TokenNameLPAREN) {
         getNextToken();
-        expression();
+      } else {
+        throwSyntaxError("'(' expected after 'unset' statement.");
       }
+      unset_variables();
       if (token == TokenNameRPAREN) {
         getNextToken();
       } else {
-        throwSyntaxError("')' expected after 'define' statement.");
+        throwSyntaxError("')' expected after 'unset' statement.");
       }
       if (token == TokenNameSEMICOLON) {
         getNextToken();
       } else {
-        if (token != TokenNameStopPHP) {
-          throwSyntaxError("';' expected after 'define' statement.");
+        if (token != TokenNameINLINE_HTML) {
+          throwSyntaxError("';' expected after 'unset' statement.");
         }
         getNextToken();
       }
-      return;
+      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 {
+        int sourceEnd = scanner.getCurrentTokenStartPosition();
+        if (sourceEnd <= 0 || methodDecl.declarationSourceStart > sourceEnd) {
+          sourceEnd = methodDecl.declarationSourceStart + 1;
+        }
+        methodDecl.declarationSourceEnd = sourceEnd;
+      }
+      return statement;
+    } else if (token == TokenNamedeclare) {
+      //T_DECLARE '(' declare_list ')' declare_statement
       getNextToken();
-      functionDefinition();
-      return;
-    } else if (token == TokenNameclass) {
+      if (token != TokenNameLPAREN) {
+        throwSyntaxError("'(' expected in 'declare' statement.");
+      }
       getNextToken();
-      classDeclarator();
-      classBody();
-      return;
+      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.");
+      }
+      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) {
-      // compoundStatement
       getNextToken();
       if (token != TokenNameRBRACE) {
         statementList();
       }
       if (token == TokenNameRBRACE) {
         getNextToken();
-        return;
+        return statement;
       } else {
         throwSyntaxError("'}' expected.");
       }
     } else {
       if (token != TokenNameSEMICOLON) {
-        expression();
+        expr();
       }
       if (token == TokenNameSEMICOLON) {
         getNextToken();
-        return;
+        return statement;
       } else {
-        if (token != TokenNameStopPHP && token != TokenNameEOF) {
-          throwSyntaxError("';' expected after expression (Found token: " + scanner.toStringAction(token) + ")");
+        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();
         }
-        getNextToken();
       }
     }
+    // may be null
+    return statement;
   }
 
-  private void classDeclarator() throws CoreException {
-    //identifier
-    //identifier 'extends' identifier
-    if (token == TokenNameIdentifier) {
+  private void declare_statement() {
+    // statement
+    //| ':' inner_statement_list T_ENDDECLARE ';'
+    //;
+    if (token == TokenNameCOLON) {
       getNextToken();
-      if (token == TokenNameextends) {
+      // 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(TokenNameRPAREN);
+    }
+  }
+
+  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.");
+      }
+      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();
+  }
+
+  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
+    while (true) {
+      global_var();
+      if (token != TokenNameCOMMA) {
+        break;
+      }
+      getNextToken();
+    }
+  }
+
+  private void global_var() {
+    //global_var:
+    // T_VARIABLE
+    //| '$' r_variable
+    //| '$' '{' expr '}'
+    if (token == TokenNameVariable) {
+      VariableInfo info = new VariableInfo(scanner.getCurrentTokenStartPosition(), VariableInfo.LEVEL_GLOBAL_VAR);
+      if (fMethodVariables != null) {
+        fMethodVariables.put(new String(scanner.getCurrentIdentifierSource()), info);
+      }
+      getNextToken();
+    } else if (token == TokenNameDOLLAR) {
+      getNextToken();
+      if (token == TokenNameLBRACE) {
         getNextToken();
-        if (token == TokenNameIdentifier) {
+        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
+    while (true) {
+      if (token == TokenNameVariable) {
+        VariableInfo info = new VariableInfo(scanner.getCurrentTokenStartPosition(), VariableInfo.LEVEL_STATIC_VAR);
+        if (fMethodVariables != null) {
+          fMethodVariables.put(new String(scanner.getCurrentIdentifierSource()), info);
+        }
+        getNextToken();
+        if (token == TokenNameEQUAL) {
           getNextToken();
-        } else {
-          throwSyntaxError("ClassDeclaration name expected after keyword 'extends'.");
+          static_scalar();
+        }
+        if (token != TokenNameCOMMA) {
+          break;
         }
+        getNextToken();
+      } else {
+        break;
       }
-    } else {
-      if (token > TokenNameKEYWORD) {
-        throwSyntaxError("Don't use keyword for class declaration [" + token + "].");
+    }
+  }
+
+  private void unset_variables() {
+    //    unset_variables:
+    //                 unset_variable
+    //         | unset_variables ',' unset_variable
+    //    unset_variable:
+    //                 variable
+    while (true) {
+      variable();
+      if (token != TokenNameCOMMA) {
+        break;
       }
-      throwSyntaxError("ClassDeclaration name expected after keyword 'class'.");
+      getNextToken();
     }
   }
 
-  private void classBody() throws CoreException {
-    //'{' [class-element-list] '}'
+  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) {
-        classElementList();
+        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.");
@@ -1959,62 +1169,387 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
     }
   }
 
-  private void classElementList() throws CoreException {
+  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 {
-      classElement();
-    } while (token == TokenNamefunction || token == TokenNamevar);
+      if (token == TokenNameIdentifier) {
+        getNextToken();
+      } else {
+        throwSyntaxError("Interface name expected after keyword 'implements'.");
+      }
+      if (token != TokenNameCOMMA) {
+        return;
+      }
+      getNextToken();
+    } while (true);
   }
 
-  private void classElement() throws CoreException {
-    //class-property
-    //function-definition
-    if (token == TokenNamefunction) {
+  //  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();
-      functionDefinition();
-    } else if (token == TokenNamevar) {
+      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();
-      classProperty();
     } else {
-      throwSyntaxError("'function' or 'var' expected.");
+      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 = scanner.getCurrentTokenStartPosition();
+          if (sourceEnd <= 0 || methodDecl.declarationSourceStart > sourceEnd) {
+            sourceEnd = methodDecl.declarationSourceStart + 1;
+          }
+          methodDecl.declarationSourceEnd = 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 classProperty() throws CoreException {
-    //'var' variable ';'
-    //'var' variable '=' constant ';'
+  //  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();
-          constant();
+          static_scalar();
         }
       } else {
-        throwSyntaxError("Variable expected after keyword 'var'.");
+        //        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) {
-      getNextToken();
-    } else {
-      throwSyntaxError("';' expected after variable declaration.");
+    if (token != TokenNameSEMICOLON) {
+      throwSyntaxError("';' expected after field declaration.");
     }
+    getNextToken();
   }
 
-  private void functionDefinition() throws CoreException {
-    functionDeclarator();
-    compoundStatement();
+  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;
+        }
+      }
+    }
+    functionDeclarator(methodDecl);
+    if (token == TokenNameSEMICOLON) {
+      if (!isAbstract) {
+        throwSyntaxError("Body declaration expected for method: " + new String(methodDecl.selector));
+      }
+      getNextToken();
+      return;
+    }
+    functionBody(methodDecl);
   }
 
-  private void functionDeclarator() throws CoreException {
+  private void functionDeclarator(MethodDeclaration methodDecl) {
     //identifier '(' [parameter-list] ')'
     if (token == TokenNameAND) {
       getNextToken();
     }
-    if (token == TokenNameIdentifier) {
+    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();
@@ -2022,96 +1557,155 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
         throwSyntaxError("'(' expected in function declaration.");
       }
       if (token != TokenNameRPAREN) {
-        parameterList();
+        parameter_list(methodDecl);
       }
       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 + "].");
-      }
+      methodDecl.selector = "<undefined>".toCharArray();
       throwSyntaxError("Function name expected after keyword 'function'.");
     }
   }
+
   //
-  private void parameterList() throws CoreException {
-    //parameter-declaration
-    //parameter-list ',' parameter-declaration
-    do {
-      parameterDeclaration();
-      if (token != TokenNameCOMMA) {
-        break;
-      }
-      getNextToken();
-    } while (true);
+  private void parameter_list(MethodDeclaration methodDecl) {
+    // non_empty_parameter_list
+    // | /* empty */
+    non_empty_parameter_list(methodDecl, true);
   }
 
-  private void parameterDeclaration() throws CoreException {
-    //variable
-    //variable-reference
-    if (token == TokenNameAND) {
-      getNextToken();
-      if (token == TokenNameVariable) {
-        getNextToken();
-      } else {
-        throwSyntaxError("Variable expected after reference operator '&'.");
-      }
-    }
-    //variable '=' constant
-    if (token == TokenNameVariable) {
-      getNextToken();
-      if (token == TokenNameEQUAL) {
+  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) {
+      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);
+          }
+          getNextToken();
+          if (token == TokenNameEQUAL) {
+            getNextToken();
+            static_scalar();
+          }
+        } else {
+          throwSyntaxError("Variable expected in parameter list.");
+        }
+        if (token != TokenNameCOMMA) {
+          break;
+        }
         getNextToken();
-        constant();
       }
       return;
     }
+    if (!empty_allowed) {
+      throwSyntaxError("Identifier expected in parameter list.");
+    }
+  }
+
+  private void optional_class_type() {
+    // /* empty */
+    //| T_STRING
   }
 
-  private void labeledStatementList() throws CoreException {
+  //  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();
-        constant();
-        if (token == TokenNameCOLON) {
-          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)
-          //              + ")",
-          //            rowCount,
-          //            PHPParser.INFO);
-          setMarker(
-            "':' expected after 'case' keyword (Found token: " + scanner.toStringAction(token) + ")",
-            scanner.getCurrentTokenStartPosition(),
-            scanner.getCurrentTokenEndPosition(),
-            INFO);
+        expr(); //constant();
+        if (token == TokenNameCOLON || token == TokenNameSEMICOLON) {
           getNextToken();
-          if (token == TokenNamecase) { // empty case statement ?
+          if (token == TokenNamecase || token == TokenNamedefault) {
+            // empty case statement ?
             continue;
           }
           statementList();
-        } else {
-          throwSyntaxError("':' character after 'case' constant expected (Found token: " + scanner.toStringAction(token) + ")");
+        }
+        //        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) {
+        if (token == TokenNameCOLON || token == TokenNameSEMICOLON) {
           getNextToken();
-          statementList();
+          if (token == TokenNameRBRACE) {
+            // empty default case
+            break;
+          }
+          if (token != TokenNamecase) {
+            statementList();
+          }
         } else {
-          throwSyntaxError("':' character after 'default' expected.");
+          throwSyntaxError("':' character expected after 'default'.");
         }
       }
     } while (token == TokenNamecase || token == TokenNamedefault);
@@ -2139,16 +1733,12 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
   //      return;
   //    }
   //  }
-
   //  public void expressionStatement() {
   //  }
-
   //  private void inclusionStatement() {
   //  }
-
   //  public void compoundStatement() {
   //  }
-
   //  public void selectionStatement() {
   //  }
   //
@@ -2169,18 +1759,20 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
   //
   //  public void definitionStatement() {
   //  }
-
-  private void ifStatement() throws CoreException {
+  private void ifStatement() {
     // ':' statement-list [elseif-list] [else-colon-statement] 'endif' ';'
     if (token == TokenNameCOLON) {
       getNextToken();
-      statementList();
-      switch (token) {
-        case TokenNameelse :
+      if (token != TokenNameendif) {
+        statementList();
+        switch (token) {
+        case TokenNameelse:
           getNextToken();
           if (token == TokenNameCOLON) {
             getNextToken();
-            statementList();
+            if (token != TokenNameendif) {
+              statementList();
+            }
           } else {
             if (token == TokenNameif) { //'else if'
               getNextToken();
@@ -2190,12 +1782,12 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
             }
           }
           break;
-        case TokenNameelseif :
+        case TokenNameelseif:
           getNextToken();
           elseifStatementList();
           break;
+        }
       }
-
       if (token != TokenNameendif) {
         throwSyntaxError("'endif' expected.");
       }
@@ -2206,7 +1798,7 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
       getNextToken();
     } else {
       // statement [else-statement]
-      statement();
+      statement(TokenNameEOF);
       if (token == TokenNameelseif) {
         getNextToken();
         if (token == TokenNameLPAREN) {
@@ -2214,7 +1806,7 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
         } else {
           throwSyntaxError("'(' expected after 'elseif' keyword.");
         }
-        expression();
+        expr();
         if (token == TokenNameRPAREN) {
           getNextToken();
         } else {
@@ -2223,43 +1815,45 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
         ifStatement();
       } else if (token == TokenNameelse) {
         getNextToken();
-        statement();
+        statement(TokenNameEOF);
       }
     }
   }
 
-  private void elseifStatementList() throws CoreException {
+  private void elseifStatementList() {
     do {
       elseifStatement();
       switch (token) {
-        case TokenNameelse :
+      case TokenNameelse:
+        getNextToken();
+        if (token == TokenNameCOLON) {
           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;
+        } else {
+          if (token == TokenNameif) { //'else if'
+            getNextToken();
+          } else {
+            throwSyntaxError("':' expected after 'else'.");
+          }
+        }
+        break;
+      case TokenNameelseif:
+        getNextToken();
+        break;
+      default:
+        return;
       }
     } while (true);
   }
 
-  private void elseifStatement() throws CoreException {
+  private void elseifStatement() {
     if (token == TokenNameLPAREN) {
       getNextToken();
-      expression();
-      if (token != TokenNameLPAREN) {
+      expr();
+      if (token != TokenNameRPAREN) {
         throwSyntaxError("')' expected in else-if-statement.");
       }
       getNextToken();
@@ -2267,11 +1861,13 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
         throwSyntaxError("':' expected in else-if-statement.");
       }
       getNextToken();
-      statementList();
+      if (token != TokenNameendif) {
+        statementList();
+      }
     }
   }
 
-  private void switchStatement() throws CoreException {
+  private void switchStatement() {
     if (token == TokenNameCOLON) {
       // ':' [labeled-statement-list] 'endswitch' ';'
       getNextToken();
@@ -2297,11 +1893,10 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
         throwSyntaxError("'}' expected in switch statement.");
       }
       getNextToken();
-
     }
   }
 
-  private void forStatement() throws CoreException {
+  private void forStatement() {
     if (token == TokenNameCOLON) {
       getNextToken();
       statementList();
@@ -2314,11 +1909,11 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
       }
       getNextToken();
     } else {
-      statement();
+      statement(TokenNameEOF);
     }
   }
 
-  private void whileStatement() throws CoreException {
+  private void whileStatement() {
     // ':' statement-list 'endwhile' ';'
     if (token == TokenNameCOLON) {
       getNextToken();
@@ -2332,11 +1927,11 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
       }
       getNextToken();
     } else {
-      statement();
+      statement(TokenNameEOF);
     }
   }
 
-  private void foreachStatement() throws CoreException {
+  private void foreachStatement() {
     if (token == TokenNameCOLON) {
       getNextToken();
       statementList();
@@ -2349,29 +1944,28 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
       }
       getNextToken();
     } else {
-      statement();
-    }
-  }
-
-  private void exitStatus() throws CoreException {
-    if (token == TokenNameLPAREN) {
-      getNextToken();
-    } else {
-      throwSyntaxError("'(' expected in 'exit-status'.");
-    }
-    if (token != TokenNameRPAREN) {
-      expression();
-    }
-    if (token == TokenNameRPAREN) {
-      getNextToken();
-    } else {
-      throwSyntaxError("')' expected after 'exit-status'.");
+      statement(TokenNameEOF);
     }
   }
 
-  private void expressionList() throws CoreException {
+  //  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 {
-      expression();
+      expr();
       if (token == TokenNameCOMMA) {
         getNextToken();
       } else {
@@ -2380,730 +1974,2373 @@ public class Parser extends PHPParserSuperclass implements ITerminalSymbols {
     } while (true);
   }
 
-  private void expression() throws CoreException {
-    //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 Expression expr() {
+    // r_variable
+    // | expr_without_variable
+    //    if (token!=TokenNameEOF) {
+    if (Scanner.TRACE) {
+      System.out.println("TRACE: expr()");
+    }
+    return expr_without_variable(true);
     //    }
   }
 
-  private void postfixExpression() throws CoreException {
-    // String ident;
-    char[] ident;
-    boolean castFlag = false;
-    switch (token) {
-      case TokenNamenew :
-        getNextToken();
-        expression();
-        break;
-      case TokenNamenull :
-        getNextToken();
+  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:
+      case TokenNameempty:
+      case TokenNameeval:
+      case TokenNameinclude:
+      case TokenNameinclude_once:
+      case TokenNamerequire:
+      case TokenNamerequire_once:
+        internal_functions_in_yacc();
         break;
-      case TokenNamefalse :
+      //       | '(' expr ')'
+      case TokenNameLPAREN:
         getNextToken();
+        expr();
+        if (token == TokenNameRPAREN) {
+          getNextToken();
+        } else {
+          throwSyntaxError("')' expected in expression.");
+        }
         break;
-      case TokenNametrue :
+      //    | 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 TokenNameStringConstant :
+      case TokenNameexit:
         getNextToken();
+        exit_expr();
         break;
-      case TokenNameHEREDOC :
-      case TokenNameStringInterpolated :
-      case TokenNameStringLiteral :
+      //  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;
-      case TokenNameLPAREN :
+      //      | '\'' encaps_list '\''
+      case TokenNameEncapsedString1:
+        scanner.encapsedStringStack.push(new Character('\''));
         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;
-              break;
+        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());
             }
           }
-          if (castFlag) {
-            getNextToken();
-            if (token != TokenNameRPAREN) {
-              throwSyntaxError(") expected after cast-type '" + str + "'.");
+        } 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());
             }
-            getNextToken();
-            expression();
-            break;
           }
+        } finally {
+          scanner.encapsedStringStack.pop();
+          getNextToken();
         }
-        if (!castFlag) {
-          expression();
-        }
-        if (token != TokenNameRPAREN) {
-          throwSyntaxError(") expected in postfix-expression.");
-        }
-        getNextToken();
         break;
-      case TokenNameDoubleLiteral :
-        getNextToken();
+      case TokenNameStringDoubleQuote:
+        expression = new StringLiteralDQ(scanner.getCurrentStringLiteralSource(), scanner.getCurrentTokenStartPosition(), scanner
+            .getCurrentTokenEndPosition());
+        common_scalar();
         break;
-      case TokenNameIntegerLiteral :
-        getNextToken();
+      case TokenNameStringSingleQuote:
+        expression = new StringLiteralSQ(scanner.getCurrentStringLiteralSource(), scanner.getCurrentTokenStartPosition(), scanner
+            .getCurrentTokenEndPosition());
+        common_scalar();
         break;
-      case TokenNameDOLLAR_LBRACE :
-        getNextToken();
-        expression();
-        if (token != TokenNameRBRACE) {
-          throwSyntaxError("'}' expected after indirect variable token '${'.");
-        }
+      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 TokenNameVariable :
-        ident = scanner.getCurrentIdentifierSource();
+      case TokenNamearray:
+        //    T_ARRAY '(' array_pair_list ')'
         getNextToken();
-        if (token == TokenNameLBRACE) {
+        if (token == TokenNameLPAREN) {
           getNextToken();
-          expression();
-          if (token != TokenNameRBRACE) {
-            throwSyntaxError("'}' expected after variable '" + new String(ident) + "' in variable-expression.");
+          if (token == TokenNameRPAREN) {
+            getNextToken();
+            break;
           }
-          getNextToken();
-        } else if (token == TokenNameLPAREN) {
-          getNextToken();
+          array_pair_list();
           if (token != TokenNameRPAREN) {
-            expressionList();
-            if (token != TokenNameRPAREN) {
-              throwSyntaxError("')' expected after variable '" + new String(ident) + "' in postfix-expression.");
-            }
+            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 TokenNameIdentifier :
-        ident = scanner.getCurrentIdentifierSource();
+      case TokenNamelist:
+        //    | T_LIST '(' assignment_list ')' '=' expr
         getNextToken();
         if (token == TokenNameLPAREN) {
           getNextToken();
+          assignment_list();
           if (token != TokenNameRPAREN) {
-            expressionList();
-            if (token != TokenNameRPAREN) {
-              throwSyntaxError(
-                "')' expected after identifier '"
-                  + new String(ident)
-                  + "' in postfix-expression."
-                  + "(Found token: "
-                  + scanner.toStringAction(token)
-                  + ")");
-            }
+            throwSyntaxError("')' expected after 'list' keyword.");
           }
           getNextToken();
+          if (token != TokenNameEQUAL) {
+            throwSyntaxError("'=' expected after 'list' keyword.");
+          }
+          getNextToken();
+          expr();
+        } else {
+          throwSyntaxError("'(' expected after 'list' keyword.");
         }
         break;
-      case TokenNameprint :
+      case TokenNamenew:
+        //     | T_NEW class_name_reference ctor_arguments
         getNextToken();
-        expression();
-        //        if (token == TokenNameSEMICOLON) {
-        //          getNextToken();
-        //        } else {
-        //          if (token != TokenNameStopPHP) {
-        //            throwSyntaxError("';' expected after 'print' statement.");
-        //          }
-        //          getNextToken();
-        //        }
+        Expression typeRef = class_name_reference();
+        ctor_arguments();
+        if (typeRef != null) {
+          expression = typeRef;
+        }
         break;
-      case TokenNamelist :
+      //       | T_INC rw_variable
+      //       | T_DEC rw_variable
+      case TokenNamePLUS_PLUS:
+      case TokenNameMINUS_MINUS:
         getNextToken();
-        if (token == TokenNameLPAREN) {
+        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:
+        boolean rememberedVar = false;
+        Expression lhs = variable();
+        switch (token) {
+        case TokenNameEQUAL:
           getNextToken();
-          if (token == TokenNameCOMMA) {
+          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();
+              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;
+                }
+              }
+            }
           }
-          expressionList();
-          if (token != TokenNameRPAREN) {
-            throwSyntaxError("')' expected after 'list' keyword.");
+          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:
           getNextToken();
-          //          if (token == TokenNameSET) {
-          //            getNextToken();
-          //            logicalinclusiveorExpression();
-          //          }
-        } else {
-          throwSyntaxError("'(' expected after 'list' keyword.");
+          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;
-        //      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();
-          expression();
-          if (token != TokenNameRBRACKET) {
-            throwSyntaxError("] expected in postfix-expression.");
+      default:
+        if (token != TokenNameINLINE_HTML) {
+          if (token > TokenNameKEYWORD) {
+            getNextToken();
+            break;
+          } else {
+            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 TokenNameCOLON_COLON : // ::
-        case TokenNameMINUS_GREATER : // ->
+        case TokenNameAND_AND:
           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();
-              expression();
-              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();
-              }
-              if (token == TokenNameLPAREN) {
-                getNextToken();
-                expressionList();
-                if (token != TokenNameRPAREN) {
-                  throwSyntaxError(") expected after '->'.");
-                }
-                getNextToken();
-              }
-              if (token == TokenNameLBRACE) {
-                getNextToken();
-                expression();
-                if (token != TokenNameRBRACE) {
-                  throwSyntaxError("} expected after '->'.");
-                }
-                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;
-        case TokenNamePLUS_PLUS :
+        //  | expr T_INSTANCEOF class_name_reference
+        //     | expr '?' expr ':' expr
+        case TokenNameinstanceof:
           getNextToken();
+          TypeReference classRef = class_name_reference();
+          expression = new InstanceOfExpression(expression, classRef, OperatorIds.INSTANCEOF);
+          expression.sourceStart = exprSourceStart;
+          expression.sourceEnd = scanner.getCurrentTokenEndPosition();
           break;
-        case TokenNameMINUS_MINUS :
+        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 :
-          while_flag = false;
+        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()");
     }
-    while (while_flag);
+    if (token == TokenNameIdentifier) {
+      ref = new SingleTypeReference(scanner.getCurrentIdentifierSource(), scanner.getCurrentTokenStartPosition());
+      getNextToken();
+    } else {
+      ref = null;
+      dynamic_class_name_reference();
+    }
+    return ref;
   }
 
-  private void unaryExpression() throws CoreException {
-    switch (token) {
-      case TokenNamePLUS_PLUS :
-        getNextToken();
-        unaryExpression();
-        break;
-      case TokenNameMINUS_MINUS :
-        getNextToken();
-        unaryExpression();
-        break;
-        // '@' '&' '*' '+' '-' '~' '!'
-      case TokenNameAT :
-        getNextToken();
-        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 :
-        postfixExpression();
+  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();
+    if (token == TokenNameMINUS_GREATER) {
+      getNextToken();
+      object_property();
+      dynamic_class_name_variable_properties();
     }
   }
 
-  private void castExpression() throws CoreException {
-    //    if (token == TokenNameARGOPEN) {
-    //      getNextToken();
-    //      typeName();
-    //      if (token != TokenNameARGCLOSE) {
-    //        throwSyntaxError(") expected after cast-expression.");
-    //      }
-    //      getNextToken();
-    //    }
-    unaryExpression();
-  }
-
-  //  private void typeName() throws CoreException {
-  //    //'string' 'unset' 'array' 'object'
-  //    //'bool' 'boolean'
-  //    //'real' 'double' 'float'
-  //    //'int' 'integer'
-  //    String identifier = "";
-  //    if (token == TokenNameIdentifier) {
-  //      char[] ident = scanner.getCurrentIdentifierSource();
-  //      identifier = new String(ident);
-  //      String str = identifier.toLowerCase();
-  //      getNextToken();
-  //      for (int i = 0; i < PHP_TYPES.length; i++) {
-  //        if (PHP_TYPES[i].equals(str)) {
-  //          return;
-  //        }
-  //      }
-  //    }
-  //    throwSyntaxError(
-  //      "Expected type cast '( <type-name> )'; Got '" + identifier + "'.");
-  //  }
+  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 assignExpression() throws CoreException {
-    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) { // ~=
+  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();
-      logicalinclusiveorExpression();
+      object_property();
     }
   }
 
-  private void multiplicativeExpression() throws CoreException {
-    do {
-      assignExpression();
-      if (token != TokenNameMULTIPLY && token != TokenNameDIVIDE && token != TokenNameREMAINDER) {
+  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();
-    } while (true);
+    }
   }
 
-  private void concatenationExpression() throws CoreException {
-    do {
-      multiplicativeExpression();
-      if (token != TokenNameDOT) {
-        return;
+  private void assignment_list() {
+    //  assignment_list:
+    // assignment_list ',' assignment_list_element
+    //| assignment_list_element
+    while (true) {
+      assignment_list_element();
+      if (token != TokenNameCOMMA) {
+        break;
       }
       getNextToken();
-    } while (true);
+    }
   }
 
-  private void additiveExpression() throws CoreException {
-    do {
-      concatenationExpression();
-      if (token != TokenNamePLUS && token != TokenNameMINUS) {
-        return;
+  private void assignment_list_element() {
+    //assignment_list_element:
+    // variable
+    //| T_LIST '(' assignment_list ')'
+    //| /* empty */
+    if (token == TokenNameVariable || token == TokenNameDOLLAR) {
+      variable();
+    } 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();
-    } while (true);
+    }
   }
 
-  private void shiftExpression() throws CoreException {
-    do {
-      additiveExpression();
-      if (token != TokenNameLEFT_SHIFT && token != TokenNameRIGHT_SHIFT) {
+  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();
+      } else {
+        expr();
+        if (token == TokenNameAND) {
+          getNextToken();
+          variable();
+        } else if (token == TokenNameEQUAL_GREATER) {
+          getNextToken();
+          if (token == TokenNameAND) {
+            getNextToken();
+            variable();
+          } else {
+            expr();
+          }
+        }
+      }
+      if (token != TokenNameCOMMA) {
         return;
       }
       getNextToken();
-    } while (true);
-  }
-
-  private void relationalExpression() throws CoreException {
-    do {
-      shiftExpression();
-      if (token != TokenNameLESS && token != TokenNameGREATER && token != TokenNameLESS_EQUAL && token != TokenNameGREATER_EQUAL) {
+      if (token == TokenNameRPAREN) {
         return;
       }
+    }
+  }
+
+  //  private void variableList() {
+  //    do {
+  //      variable();
+  //      if (token == TokenNameCOMMA) {
+  //        getNextToken();
+  //      } else {
+  //        break;
+  //      }
+  //    } while (true);
+  //  }
+  private Expression variable_without_objects() {
+    //  variable_without_objects:
+    //                 reference_variable
+    //         | simple_indirect_reference reference_variable
+    if (Scanner.TRACE) {
+      System.out.println("TRACE: variable_without_objects()");
+    }
+    while (token == TokenNameDOLLAR) {
       getNextToken();
-    } while (true);
+    }
+    return reference_variable();
   }
 
-  private void identicalExpression() throws CoreException {
-    do {
-      relationalExpression();
-      if (token != TokenNameEQUAL_EQUAL_EQUAL && token != TokenNameNOT_EQUAL_EQUAL) {
-        return;
+  private Expression function_call() {
+    //  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();
+        }
+        break;
       }
+    } else {
+      ref = variable_without_objects();
+    }
+    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.");
+    }
+    getNextToken();
+    if (token == TokenNameRPAREN) {
       getNextToken();
-    } while (true);
+      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 equalityExpression() throws CoreException {
-    do {
-      identicalExpression();
-      if (token != TokenNameEQUAL_EQUAL && token != TokenNameNOT_EQUAL) {
-        return;
+  //  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();
+      } else {
+        //        if (token == TokenNameIdentifier || token ==
+        // TokenNameVariable
+        //            || token == TokenNameDOLLAR) {
+        //          variable();
+        //        } else {
+        expr_without_variable(true);
+        //        }
+      }
+      if (token != TokenNameCOMMA) {
+        break;
       }
       getNextToken();
-    } while (true);
+    }
   }
 
-  private void ternaryExpression() throws CoreException {
-    equalityExpression();
-    if (token == TokenNameQUESTION) {
+  private void fully_qualified_class_name() {
+    if (token == TokenNameIdentifier) {
       getNextToken();
-      expression();
-      if (token == TokenNameCOLON) {
+    } 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();
+  }
+
+  private Expression base_variable_with_function_calls() {
+    //  base_variable_with_function_calls:
+    // base_variable
+    //| function_call
+    boolean functionCall = false;
+    if (Scanner.TRACE) {
+      System.out.println("TRACE: base_variable_with_function_calls()");
+    }
+    //    if (token == TokenNameIdentifier) {
+    //      functionCall = true;
+    //    } else if (token == TokenNameVariable) {
+    //      int tempToken = token;
+    //      int tempPosition = scanner.currentPosition;
+    //      getNextToken();
+    //      if (token == TokenNameLPAREN) {
+    //        functionCall = true;
+    //      }
+    //      token = tempToken;
+    //      scanner.currentPosition = tempPosition;
+    //      scanner.phpMode = true;
+    //    }
+    //    if (functionCall) {
+    return function_call();
+    //    } else {
+    //      base_variable();
+    //    }
+  }
+
+  private Expression base_variable() {
+    //  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();
-        expression();
-      } else {
-        throwSyntaxError("':' expected in ternary operator '? :'.");
       }
+      reference_variable();
     }
+    return ref;
   }
 
-  private void andExpression() throws CoreException {
-    do {
-      ternaryExpression();
-      if (token != TokenNameAND) {
-        return;
+  //  private void simple_indirect_reference() {
+  //    // simple_indirect_reference:
+  //    // '$'
+  //    //| simple_indirect_reference '$'
+  //  }
+  private Expression reference_variable() {
+    //  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();
+    while (true) {
+      if (token == TokenNameLBRACE) {
+        ref = null;
+        getNextToken();
+        expr();
+        if (token != TokenNameRBRACE) {
+          throwSyntaxError("'}' expected in reference variable.");
+        }
+        getNextToken();
+      } else if (token == TokenNameLBRACKET) {
+        ref = null;
+        getNextToken();
+        if (token != TokenNameRBRACKET) {
+          expr();
+          //        dim_offset();
+          if (token != TokenNameRBRACKET) {
+            throwSyntaxError("']' expected in reference variable.");
+          }
+        }
+        getNextToken();
+      } else {
+        break;
       }
-      getNextToken();
-    } while (true);
+    }
+    return ref;
   }
 
-  private void exclusiveorExpression() throws CoreException {
-    do {
-      andExpression();
-      if (token != TokenNameXOR) {
-        return;
+  private Expression compound_variable() {
+    //  compound_variable:
+    //                 T_VARIABLE
+    //         | '$' '{' expr '}'
+    if (Scanner.TRACE) {
+      System.out.println("TRACE: compound_variable()");
+    }
+    if (token == TokenNameVariable) {
+      FieldReference ref = new FieldReference(scanner.getCurrentIdentifierSource(), scanner.getCurrentTokenStartPosition());
+      getNextToken();
+      return ref;
+    } else {
+      // because of simple_indirect_reference
+      while (token == TokenNameDOLLAR) {
+        getNextToken();
+      }
+      if (token != TokenNameLBRACE) {
+        reportSyntaxError("'{' expected after compound variable token '$'.");
+        return null;
       }
       getNextToken();
-    } while (true);
-  }
-
-  private void inclusiveorExpression() throws CoreException {
-    do {
-      exclusiveorExpression();
-      if (token != TokenNameOR) {
-        return;
+      expr();
+      if (token != TokenNameRBRACE) {
+        throwSyntaxError("'}' expected after compound variable token '$'.");
       }
       getNextToken();
-    } while (true);
+    }
+    return null;
   }
 
-  private void booleanandExpression() throws CoreException {
-    do {
-      inclusiveorExpression();
-      if (token != TokenNameAND_AND) {
-        return;
+  //  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();
+    } 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;
       }
-      getNextToken();
-    } while (true);
+    }
   }
 
-  private void booleanorExpression() throws CoreException {
-    do {
-      booleanandExpression();
-      if (token != TokenNameOR_OR) {
-        return;
+  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();
-    } while (true);
+    } else {
+      if (token != TokenNameLBRACE) {
+        throwSyntaxError("'{' expected in variable name.");
+      }
+      getNextToken();
+      expr();
+      if (token != TokenNameRBRACE) {
+        throwSyntaxError("'}' expected in variable name.");
+      }
+      getNextToken();
+    }
   }
 
-  private void logicalandExpression() throws CoreException {
-    do {
-      booleanorExpression();
-      if (token != TokenNameAND) {
-        return;
-      }
+  private void r_variable() {
+    variable();
+  }
+
+  private void w_variable() {
+    variable();
+  }
+
+  private void rw_variable() {
+    variable();
+  }
+
+  private Expression variable() {
+    //    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();
+    if (token == TokenNameMINUS_GREATER) {
+      ref = null;
       getNextToken();
-    } while (true);
+      object_property();
+      method_or_not();
+      variable_properties();
+    }
+    return ref;
   }
 
-  private void logicalexclusiveorExpression() throws CoreException {
-    do {
-      logicalandExpression();
-      if (token != TokenNameXOR) {
-        return;
-      }
+  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();
-    } while (true);
+      object_property();
+      method_or_not();
+    } else {
+      throwSyntaxError("'->' expected in variable_property.");
+    }
   }
 
-  private void logicalinclusiveorExpression() throws CoreException {
-    do {
-      logicalexclusiveorExpression();
-      if (token != TokenNameOR) {
+  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();
-    } while (true);
+    }
   }
 
-  //  public void assignmentExpression() {
-  //    if (token == TokenNameVARIABLE) {
-  //      getNextToken();
-  //      if (token == TokenNameSET) {
-  //        getNextToken();
-  //        logicalinclusiveorExpression();
-  //      }
-  //    } else {
-  //      logicalinclusiveorExpression();
-  //    }
-  //  }
+  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 variableList() throws CoreException {
-    do {
-      variable();
-      if (token == TokenNameCOMMA) {
+  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();
-      } else {
         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;
       }
-    } while (true);
+    }
   }
 
-  private void variable() throws CoreException {
-    if (token == TokenNameDOLLAR_LBRACE) {
+  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();
-      expression();
-      ;
+      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 '${'.");
+          }
+          getNextToken();
+          //            }
+        }
+      } else {
+        expr();
+      }
       if (token != TokenNameRBRACE) {
-        throwSyntaxError("'}' expected after indirect variable token '${'.");
+        throwSyntaxError("'}' expected.");
       }
       getNextToken();
-    } else {
-      if (token == TokenNameVariable) {
+      break;
+    case TokenNameLBRACE_DOLLAR:
+      getNextToken();
+      if (token == TokenNameLBRACE_DOLLAR) {
+        encaps_var();
+      } else if (token == TokenNameIdentifier || token > TokenNameKEYWORD) {
         getNextToken();
         if (token == TokenNameLBRACKET) {
           getNextToken();
-          expression();
+          //            if (token == TokenNameRBRACKET) {
+          //              getNextToken();
+          //            } else {
+          expr();
           if (token != TokenNameRBRACKET) {
-            throwSyntaxError("']' expected in variable-list.");
+            throwSyntaxError("']' expected.");
           }
           getNextToken();
-        } else if (token == TokenNameEQUAL) {
+          //            }
+        } else if (token == TokenNameMINUS_GREATER) {
+          getNextToken();
+          if (token != TokenNameIdentifier && token != TokenNameVariable) {
+            throwSyntaxError("String or Variable token expected.");
+          }
           getNextToken();
-          constant();
+          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 {
-        throwSyntaxError("$-variable expected in variable-list.");
+        expr();
+        if (token != TokenNameRBRACE) {
+          throwSyntaxError("'}' expected.");
+        }
+        //          scanner.encapsedStringStack.pop();
+        getNextToken();
       }
+      break;
     }
   }
 
-  /**
-   * It will look for a value (after a '=' for example)
-   * @throws CoreException
-   */
-  private void constant() throws CoreException {
-    //   String ident;
+  private void encaps_var_offset() {
+    //                 T_STRING
+    //         | T_NUM_STRING
+    //         | T_VARIABLE
     switch (token) {
-      case TokenNamePLUS :
+    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();
+      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;
+    }
+  }
+
+  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();
-        switch (token) {
-          case TokenNameDoubleLiteral :
-            getNextToken();
-            break;
-          case TokenNameIntegerLiteral :
-            getNextToken();
-            break;
-          default :
-            throwSyntaxError("Constant expected after '+' presign.");
+      } 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;
         }
-        break;
-      case TokenNameMINUS :
-        getNextToken();
-        switch (token) {
-          case TokenNameDoubleLiteral :
-            getNextToken();
-            break;
-          case TokenNameIntegerLiteral :
-            getNextToken();
-            break;
-          default :
-            throwSyntaxError("Constant expected after '-' presign.");
+      }
+      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) {
+            //              reportSyntaxError("File: " + expression.toStringExpression() + " doesn't exist in project: "
+            //                  + project.getLocation().toString(), literal.sourceStart, literal.sourceEnd);
+            String[] args = { expression.toStringExpression(), project.getLocation().toString() };
+            problemReporter.phpIncludeNotExistWarning(args, literal.sourceStart, literal.sourceEnd, referenceContext,
+                compilationUnit.compilationResult);
+          } else {
+            try {
+              //              String projectPath = ProjectPrefUtil.getDocumentRoot(file.getProject()).toString();
+              //              String filePath = file.getRawLocation().toString();
+              String filePath = path.toString();
+              String ext = file.getRawLocation().getFileExtension();
+              int fileExtensionLength = ext == null ? 0 : ext.length() + 1;
+              int length;
+
+              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
+            }
+          }
         }
-        break;
-      case TokenNamenull :
-        getNextToken();
-        break;
-      case TokenNamefalse :
-        getNextToken();
-        break;
-      case TokenNametrue :
+      }
+    }
+  }
+
+  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;
-      case TokenNameIdentifier :
-        //   ident = identifier;
-        char[] ident = scanner.getCurrentIdentifierSource();
+      }
+    }
+  }
+
+  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 == TokenNameLPAREN) {
+        if (token == TokenNameIdentifier) {
           getNextToken();
-          if (token != TokenNameRPAREN) {
-            expressionList();
-            if (token != TokenNameRPAREN) {
-              throwSyntaxError("')' expected after identifier '" + new String(ident) + "' in postfix-expression.");
-            }
+        } else {
+          throwSyntaxError("Identifier expected after '::' operator.");
+        }
+      }
+      break;
+    case TokenNameEncapsedString0:
+      try {
+        scanner.currentCharacter = scanner.source[scanner.currentPosition++];
+        while (scanner.currentCharacter != '`') {
+          if (scanner.currentCharacter == '\\') {
+            scanner.currentPosition++;
           }
-          getNextToken();
+          scanner.currentCharacter = scanner.source[scanner.currentPosition++];
         }
-        break;
-      case TokenNameStringLiteral :
         getNextToken();
-        break;
-      case TokenNameStringConstant :
+      } 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();
-        break;
-      case TokenNameStringInterpolated :
+      } 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();
-        break;
-      case TokenNameDoubleLiteral :
+      } catch (IndexOutOfBoundsException e) {
+        throwSyntaxError("'\"' expected at end of static string.");
+      }
+      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;
-      case TokenNameIntegerLiteral :
+      }
+      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;
-      default :
-        throwSyntaxError("Constant expected.");
+      }
+      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;
+    //         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;
+
+  //variable set stack
+  final static int VariableStackIncrement = 10;
+
+  HashMap fTypeVariables = null;
+
+  HashMap fMethodVariables = null;
+
+  //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;
+    int length;
+    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, ext.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 ;
+
+  }
 }
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