1) Added setting of syntax properties to italic, underline and strike through.
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / phpeditor / php / PHPCodeScanner.java
index 160925c..70df0eb 100644 (file)
@@ -1,35 +1,37 @@
 /**********************************************************************
-Copyright (c) 2000, 2002 IBM Corp. and others.
-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:
-    IBM Corporation - Initial implementation
-    Klaus Hartlage - www.eclipseproject.de
-**********************************************************************/
+ Copyright (c) 2000, 2002 IBM Corp. and others.
+ 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:
+ IBM Corporation - Initial implementation
+ www.phpeclipse.de
+ **********************************************************************/
 package net.sourceforge.phpeclipse.phpeditor.php;
 
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
+import net.sourceforge.phpdt.internal.ui.text.AbstractJavaScanner;
+import net.sourceforge.phpdt.ui.text.IColorManager;
 import net.sourceforge.phpeclipse.IPreferenceConstants;
-import net.sourceforge.phpeclipse.PHPeclipsePlugin;
-import net.sourceforge.phpeclipse.phpeditor.util.PHPColorProvider;
+import net.sourceforge.phpeclipse.phpeditor.PHPSyntaxRdr;
 import net.sourceforge.phpeclipse.phpeditor.util.PHPWhitespaceDetector;
 import net.sourceforge.phpeclipse.phpeditor.util.PHPWordDetector;
+
 import org.eclipse.jface.preference.IPreferenceStore;
-import org.eclipse.jface.preference.PreferenceConverter;
-import org.eclipse.jface.text.TextAttribute;
-import org.eclipse.jface.text.rules.EndOfLineRule;
+//incastrix
+//import org.eclipse.jface.text.Assert;
+import org.eclipse.core.runtime.Assert;
 import org.eclipse.jface.text.rules.ICharacterScanner;
 import org.eclipse.jface.text.rules.IRule;
 import org.eclipse.jface.text.rules.IToken;
 import org.eclipse.jface.text.rules.IWordDetector;
 import org.eclipse.jface.text.rules.MultiLineRule;
-import org.eclipse.jface.text.rules.RuleBasedScanner;
-import org.eclipse.jface.text.rules.SingleLineRule;
 import org.eclipse.jface.text.rules.Token;
 import org.eclipse.jface.text.rules.WhitespaceRule;
 import org.eclipse.jface.text.rules.WordRule;
@@ -37,156 +39,443 @@ import org.eclipse.jface.text.rules.WordRule;
 /**
  * PHP Code Scanner
  */
-public class PHPCodeScanner extends RuleBasedScanner implements IPreferenceConstants {
-
-  private static Token variable;
-  private static Token keyword;
-  private static Token functionName;
-  private static Token string;
-  private static Token comment;
-  private static Token multi_comment;
-  private static Token other;
-
-  private class PHPWordRule extends WordRule {
-    private StringBuffer fBuffer = new StringBuffer();
-
-    public PHPWordRule(IWordDetector detector) {
-      super(detector, Token.UNDEFINED);
-    }
-
-    public PHPWordRule(IWordDetector detector, IToken defaultToken) {
-      super(detector, defaultToken);
-    }
-
-    public IToken evaluate(ICharacterScanner scanner) {
-      int c = scanner.read();
-      boolean isVariable = false;
-      if (fDetector.isWordStart((char) c)) {
-        if (c == '$') {
-          isVariable = true;
-        }
-        if (fColumn == UNDEFINED || (fColumn == scanner.getColumn() - 1)) {
-
-          fBuffer.setLength(0);
-          do {
-            fBuffer.append((char) c);
-            c = scanner.read();
-          } while (c != ICharacterScanner.EOF && fDetector.isWordPart((char) c));
-          scanner.unread();
-
-          if (isVariable) {
-            return variable;
-          }
-          IToken token = (IToken) fWords.get(fBuffer.toString());
-          if (token != null)
-            return token;
-
-          if (fDefaultToken.isUndefined())
-            unreadBuffer(scanner);
-
-          return fDefaultToken;
-        }
-      }
-
-      scanner.unread();
-      return Token.UNDEFINED;
-    }
-  }
-
-  private static String[] fgConstants = { "__LINE__", "__FILE__", "true", "false", "null", "object", "array" };
-  //  private static TextAttribute fSingleLine;
-  //  private static TextAttribute fMultiLine;
-  //  private static TextAttribute fKeyword;
-  //  private static TextAttribute fFunctionName;
-  //  private static TextAttribute fString;
-  //  private static TextAttribute fVariable;
-  private PHPColorProvider fColorProvider;
-
-  /**
-   * Creates a PHP code scanner
-   */
-  public PHPCodeScanner(PHPColorProvider provider) {
-    final IPreferenceStore store = PHPeclipsePlugin.getDefault().getPreferenceStore();
-
-    variable = new Token(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_VARIABLE))));
-    keyword = new Token(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_KEYWORD))));
-    functionName = new Token(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_FUNCTIONNAME))));
-    string = new Token(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_STRING))));
-    comment = new Token(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_SINGLELINE_COMMENT))));
-    multi_comment = new Token(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_MULTILINE_COMMENT))));
-    other = new Token(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_DEFAULT))));
-
-    List rules = new ArrayList();
-
-    // Add rule for single line comments.
-    rules.add(new EndOfLineRule("//", comment)); //$NON-NLS-1$
-    rules.add(new EndOfLineRule("#", comment));
-
-    // Add rule for strings and character constants.
-    rules.add(new MultiLineRule("\"", "\"", string, '\\')); //$NON-NLS-2$ //$NON-NLS-1$
-    rules.add(new SingleLineRule("'", "'", string, '\\')); //$NON-NLS-2$ //$NON-NLS-1$
-
-    // rules.add(new SingleLineRule("//", "//", php_comment));
-    rules.add(new MultiLineRule("/*", "*/", multi_comment));
-
-    // Add generic whitespace rule.
-    rules.add(new WhitespaceRule(new PHPWhitespaceDetector()));
-
-    // Add word rule for keywords, types, and constants.
-    PHPWordRule wordRule = new PHPWordRule(new PHPWordDetector(), other);
-//    //choochter-->
-//    for (int i = 0; i < PHPKeywords.PHP_KEYWORS.length; i++)
-//      wordRule.addWord(PHPKeywords.PHP_KEYWORS[i], keyword);
-//
-//    /*Read in the keywords from the XML file*/
-//    PHPSyntaxRdr syntaxRdr = new PHPSyntaxRdr();
-//    syntaxRdr.readFromFile(
-//      "C:\\eclipse\\workspace\\net.sourceforge.phpeclipse\\src\\net\\sourceforge\\phpeclipse\\phpeditor"
-//        + java.io.File.separator
-//        + "syntax.xml");
-//    {
-//      Vector Vbuffer = syntaxRdr.getKeywords();
-//      String VString = null;
-//      //Read keywords
-//      while ((Vbuffer != null) && (!Vbuffer.isEmpty() && ((VString = (String) Vbuffer.remove(0)) != null))) {
-//        wordRule.addWord(VString, keyword);
-//      }
-//      //Read functions  - to be tested
-//      Vbuffer = syntaxRdr.getFunctions();
-//      while ((Vbuffer != null) && (!Vbuffer.isEmpty() && ((VString = (String) Vbuffer.remove(0)) != null))) {
-//        wordRule.addWord(VString, functionName);
-//      }
-//    }
-//    
-//    //for (int i = 0; i < PHPFunctionNames.FUNCTION_NAMES.length; i++)
-//    //  wordRule.addWord(PHPFunctionNames.FUNCTION_NAMES[i], functionName);
-//    //<--choochter
-    for (int i = 0; i < PHPKeywords.PHP_KEYWORS.length; i++) {
-      wordRule.addWord(PHPKeywords.PHP_KEYWORS[i], keyword);
-    }
-    for (int i = 0; i < PHPFunctionNames.FUNCTION_NAMES.length; i++) {
-      wordRule.addWord(PHPFunctionNames.FUNCTION_NAMES[i], functionName);
-    }
-    for (int i = 0; i < fgConstants.length; i++) {
-      wordRule.addWord(fgConstants[i], keyword);
-    }
-    rules.add(wordRule);
-
-    IRule[] result = new IRule[rules.size()];
-    rules.toArray(result);
-    setRules(result);
-  }
-
-  public void updateToken(PHPColorProvider provider) {
-    final IPreferenceStore store = PHPeclipsePlugin.getDefault().getPreferenceStore();
-
-    variable.setData(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_VARIABLE))));
-    keyword.setData(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_KEYWORD))));
-    functionName.setData(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_FUNCTIONNAME))));
-    string.setData(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_STRING))));
-    comment.setData(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_SINGLELINE_COMMENT))));
-    multi_comment.setData(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_MULTILINE_COMMENT))));
-    other.setData(new TextAttribute(provider.getColor(PreferenceConverter.getColor(store, PHP_DEFAULT))));
-
-  }
+public class PHPCodeScanner extends AbstractJavaScanner {
+
+       /**
+        * Rule to detect java operators.
+        *
+        * @since 3.0
+        */
+       protected class OperatorRule implements IRule {
+
+               /** Java operators */
+               private final char[] PHP_OPERATORS = { ';', '(', ')', '.', '=', '/',
+                               '\\', '+', '-', '*', '[', ']', '<', '>', ':', '?', '!', ',',
+                               '|', '&', '^', '%', '~', '@' };
+
+               /** Token to return for this rule */
+               private final IToken fToken;
+
+               /** Token to return for braces */
+               private final IToken fTokenBraces;
+
+               /** Token to return for heredocs */
+               private final IToken fTokenHeredoc;
+
+               /**
+                * Creates a new operator rule.
+                *
+                * @param token
+                *            Token to use for this rule
+                * @param tokenHeredoc
+                *            TODO
+                */
+               public OperatorRule(IToken token, IToken tokenBraces,
+                               IToken tokenHeredoc) {
+                       fToken = token;
+                       fTokenBraces = tokenBraces;
+                       fTokenHeredoc = tokenHeredoc;
+               }
+
+               /**
+                * Is this character an operator character?
+                *
+                * @param character
+                *            Character to determine whether it is an operator character
+                * @return <code>true</code> iff the character is an operator,
+                *         <code>false</code> otherwise.
+                */
+               public boolean isOperator(char character) {
+                       for (int index = 0; index < PHP_OPERATORS.length; index++) {
+                               if (PHP_OPERATORS[index] == character)
+                                       return true;
+                       }
+                       return false;
+               }
+
+               /*
+                * @see org.eclipse.jface.text.rules.IRule#evaluate(org.eclipse.jface.text.rules.ICharacterScanner)
+                */
+               public IToken evaluate(ICharacterScanner scanner) {
+
+                       int character = scanner.read();
+                       if (character == '{' || character == '}') {
+                               return fTokenBraces;
+                       }
+                       if (isOperator((char) character)) {
+                               int lastCharacter = character;
+                               character = scanner.read();
+                               // the readHEREDOC(scanner) call doesn't work, if we have our
+                               // own partitions for single quoted
+                               // or double quoted strings:
+                               //
+                               // if (lastCharacter == '<' && character == '<') {
+                               // int heredocCharacter = scanner.read();
+                               // if (heredocCharacter == '<') {
+                               // // start of heredoc comment;
+                               // if (readHEREDOC(scanner)) {
+                               // return fTokenHeredoc;
+                               // }
+                               // } else {
+                               // scanner.unread();
+                               // }
+                               // }
+                               if (!isOperator((char) character)) {
+                                       scanner.unread();
+                                       return fToken;
+                               }
+                               if (checkPHPTag(scanner, lastCharacter, character)) {
+                                       return Token.UNDEFINED;
+                               }
+                               do {
+                                       lastCharacter = character;
+                                       character = scanner.read();
+                                       if (checkPHPTag(scanner, lastCharacter, character)) {
+                                               return fToken;
+                                       }
+                                       if (character == ICharacterScanner.EOF) {
+                                               return fToken;
+                                       }
+                               } while (isOperator((char) character));
+                               scanner.unread();
+                               return fToken;
+                       } else {
+                               scanner.unread();
+                               return Token.UNDEFINED;
+                       }
+               }
+
+               // private boolean readHEREDOC(ICharacterScanner scanner) {
+               // // search until heredoc ends
+               // int ch;
+               // StringBuffer buf = new StringBuffer();
+               // char[] heredocIdent;
+               //
+               // ch = scanner.read();
+               // if (!Scanner.isPHPIdentifierStart((char)ch)) {
+               // scanner.unread();
+               // scanner.unread();
+               // return false;
+               // }
+               // while (Scanner.isPHPIdentifierPart((char)ch)) {
+               // buf.append((char)ch);
+               // ch = scanner.read();
+               // }
+               // if (ch==ICharacterScanner.EOF) {
+               // return true;
+               // }
+               // heredocIdent = buf.toString().toCharArray();
+               // while (true) {
+               // ch = scanner.read();
+               // if (ch==ICharacterScanner.EOF) {
+               // return true;
+               // }
+               // if (ch == '\n') { // heredoc could end after a newline
+               // int pos = 0;
+               // while (true) {
+               // if (pos == heredocIdent.length) {
+               // return true;
+               // }
+               // ch = scanner.read(); // ignore escaped character
+               // if (ch != heredocIdent[pos]) {
+               // break;
+               // }
+               // if (ch==ICharacterScanner.EOF) {
+               // return true;
+               // }
+               // pos++;
+               // }
+               // }
+               // }
+               // }
+
+               /**
+                * Check if lastCharacter/character are a PHP start or end token ( &lt;?
+                * ... ?&gt; )
+                *
+                * @param scanner
+                * @param lastCharacter
+                * @param character
+                * @return
+                */
+               private boolean checkPHPTag(ICharacterScanner scanner,
+                               int lastCharacter, int character) {
+                       if (lastCharacter == '<' && character == '?') {
+                               scanner.unread();
+                               scanner.unread();
+                               return true;
+                       } else if (lastCharacter == '?' && character == '>') {
+                               scanner.unread();
+                               scanner.unread();
+                               return true;
+                       }
+                       return false;
+               }
+       }
+
+       protected class AccentStringRule implements IRule {
+
+               /** Token to return for this rule */
+               private final IToken fToken;
+
+               public AccentStringRule(IToken token) {
+                       fToken = token;
+
+               }
+
+               /*
+                * @see org.eclipse.jface.text.rules.IRule#evaluate(org.eclipse.jface.text.rules.ICharacterScanner)
+                */
+               public IToken evaluate(ICharacterScanner scanner) {
+
+                       int character = scanner.read();
+
+                       if (character == '`') {
+
+                               while (character != ICharacterScanner.EOF) {
+                                       character = scanner.read();
+                                       if (character == '\\') {
+                                               character = scanner.read();
+                                       } else if (character == '`') {
+                                               return fToken;
+                                       }
+                               }
+                               scanner.unread();
+                               return Token.UNDEFINED;
+                       } else {
+                               scanner.unread();
+                               return Token.UNDEFINED;
+                       }
+               }
+
+       }
+
+       private class PHPWordRule extends WordRule {
+               private StringBuffer fBuffer = new StringBuffer();
+
+               protected Map fWordsIgnoreCase = new HashMap();
+
+               public PHPWordRule(IWordDetector detector) {
+                       super(detector, Token.UNDEFINED);
+               }
+
+               public PHPWordRule(IWordDetector detector, IToken defaultToken) {
+                       super(detector, defaultToken);
+               }
+
+               /**
+                * Adds a word and the token to be returned if it is detected.
+                *
+                * @param word
+                *            the word this rule will search for, may not be
+                *            <code>null</code>
+                * @param token
+                *            the token to be returned if the word has been found, may
+                *            not be <code>null</code>
+                */
+               public void addWordIgnoreCase(String word, IToken token) {
+                       Assert.isNotNull(word);
+                       Assert.isNotNull(token);
+
+                       fWordsIgnoreCase.put(word, token);
+               }
+
+               public IToken evaluate(ICharacterScanner scanner) {
+                       int c = scanner.read();
+                       boolean isVariable = false;
+                       boolean isUnderscore = false;
+                       String word;
+                       if (c == '<') {
+                               c = scanner.read();
+                               if (c != '?') {
+                                       scanner.unread();
+                                       scanner.unread();
+                                       return Token.UNDEFINED;
+                               } else {
+                                       c = scanner.read();
+                                       if (c == '=') { // <?=
+                                               return getToken(IPreferenceConstants.PHP_TAG);
+                                       }
+                                       if (c != 'p' && c != 'P') {
+                                               scanner.unread();
+                                               return getToken(IPreferenceConstants.PHP_TAG);
+                                       } else {
+                                               c = scanner.read();
+                                               if (c != 'h' && c != 'H') {
+                                                       scanner.unread();
+                                                       scanner.unread();
+                                                       return getToken(IPreferenceConstants.PHP_TAG);
+                                               } else {
+                                                       c = scanner.read();
+                                                       if (c != 'p' && c != 'P') {
+                                                               scanner.unread();
+                                                               scanner.unread();
+                                                               scanner.unread();
+                                                               return getToken(IPreferenceConstants.PHP_TAG);
+                                                       } else {
+                                                               return getToken(IPreferenceConstants.PHP_TAG);
+                                                       }
+                                               }
+                                       }
+                               }
+                       }
+                       if (c == '?') {
+                               c = scanner.read();
+                               if (c == '>') {
+                                       return getToken(IPreferenceConstants.PHP_TAG);
+                               }
+                               scanner.unread();
+                               scanner.unread();
+                               return Token.UNDEFINED;
+                       }
+                       if (fDetector.isWordStart((char) c)) {
+                               if (c == '$') {
+                                       isVariable = true;
+                               }
+                               if (fColumn == UNDEFINED
+                                               || (fColumn == scanner.getColumn() - 1)) {
+
+                                       fBuffer.setLength(0);
+                                       fBuffer.append((char) c);
+                                       c = scanner.read();
+                                       if (c == '_') {
+                                               isUnderscore = true;
+                                       }
+                                       while (c != ICharacterScanner.EOF
+                                                       && fDetector.isWordPart((char) c)) {
+                                               fBuffer.append((char) c);
+                                               c = scanner.read();
+                                       }
+                                       scanner.unread();
+
+                                       if (isVariable) {
+                                               if (isUnderscore) {
+                                                       return getToken(IPreferenceConstants.PHP_VARIABLE_DOLLAR);
+                                               }
+                                               return getToken(IPreferenceConstants.PHP_VARIABLE);
+                                       }
+                                       word = fBuffer.toString();
+                                       IToken token = (IToken) fWords.get(word);
+                                       if (token != null)
+                                               return token;
+
+                                       token = (IToken) fWordsIgnoreCase.get(word.toLowerCase());
+                                       if (token != null)
+                                               return token;
+
+                                       if (fDefaultToken.isUndefined())
+                                               unreadBuffer(scanner);
+
+                                       return fDefaultToken;
+                               }
+                       }
+
+                       scanner.unread();
+                       return Token.UNDEFINED;
+               }
+       }
+
+       // private PHPColorProvider fColorProvider;
+
+       private static String[] fgTokenProperties = {
+                       IPreferenceConstants.PHP_MULTILINE_COMMENT,
+                       IPreferenceConstants.PHP_SINGLELINE_COMMENT,
+                       IPreferenceConstants.PHP_TAG,
+                       IPreferenceConstants.PHP_KEYWORD,
+                       IPreferenceConstants.PHP_FUNCTIONNAME,
+                       IPreferenceConstants.PHP_VARIABLE,
+                       IPreferenceConstants.PHP_VARIABLE_DOLLAR,
+                       IPreferenceConstants.PHP_STRING_DQ,
+                       IPreferenceConstants.PHP_STRING_SQ,
+                       IPreferenceConstants.PHP_TYPE,
+                       IPreferenceConstants.PHP_CONSTANT,
+                       IPreferenceConstants.PHP_DEFAULT,
+                       IPreferenceConstants.PHP_OPERATOR,
+                       IPreferenceConstants.PHP_BRACE_OPERATOR,
+                       IPreferenceConstants.PHP_KEYWORD_RETURN };
+
+       /**
+        * Creates a PHP code scanner
+        */
+       // public PHPCodeScanner(JavaColorManager provider, IPreferenceStore store)
+       // {
+       public PHPCodeScanner(IColorManager manager, IPreferenceStore store) {
+               super(manager, store);
+               initialize();
+       }
+
+       /*
+        * @see AbstractJavaScanner#getTokenProperties()
+        */
+       protected String[] getTokenProperties() {
+               return fgTokenProperties;
+       }
+
+       /*
+        * @see AbstractJavaScanner#createRules()
+        */
+       protected List createRules() {
+               List rules = new ArrayList();
+               Token token = getToken(IPreferenceConstants.PHP_SINGLELINE_COMMENT);
+               // Add rule for single line comments.
+               // rules.add(new EndOfLineRule("//", token)); //$NON-NLS-1$
+               // rules.add(new EndOfLineRule("#", token)); //$NON-NLS-1$
+               // Add rule for strings and character constants.
+               // token = getToken(IPreferenceConstants.PHP_STRING_SQ);
+               // rules.add(new SingleQuoteStringRule(token));
+               // token = getToken(IPreferenceConstants.PHP_STRING_DQ);
+               // rules.add(new DoubleQuoteStringRule(token));
+               rules.add(new AccentStringRule(token));
+
+               token = getToken(IPreferenceConstants.PHP_MULTILINE_COMMENT);
+               rules.add(new MultiLineRule("/*", "*/", token)); //$NON-NLS-2$ //$NON-NLS-1$
+               // Add generic whitespace rule.
+               rules.add(new WhitespaceRule(new PHPWhitespaceDetector()));
+               // Add word rule for keywords, types, and constants.
+               token = getToken(IPreferenceConstants.PHP_DEFAULT);
+               PHPWordRule wordRule = new PHPWordRule(new PHPWordDetector(), token);
+
+               Token keyword = getToken(IPreferenceConstants.PHP_KEYWORD);
+               Token functionName = getToken(IPreferenceConstants.PHP_FUNCTIONNAME);
+               Token type = getToken(IPreferenceConstants.PHP_TYPE);
+               Token constant = getToken(IPreferenceConstants.PHP_CONSTANT);
+
+               ArrayList buffer = PHPSyntaxRdr.getSyntaxData();
+               // String strbuffer = null; unused
+               PHPElement elbuffer = null;
+               String name;
+               for (int i = 0; i < buffer.size(); i++) {
+                       // while ((buffer != null)
+                       // && (!buffer.isEmpty()
+                       // && ((elbuffer = (PHPElement) buffer.remove(0)) != null))) {
+                       elbuffer = (PHPElement) buffer.get(i);
+                       if (elbuffer instanceof PHPKeyword) {
+                               name = ((PHPKeyword) elbuffer).getName();
+                               if (!name.equals("return")) {
+                                       wordRule.addWord(name, keyword);
+                               }
+                       } else if (elbuffer instanceof PHPFunction) {
+                               wordRule.addWordIgnoreCase(((PHPFunction) elbuffer).getName(),
+                                               functionName);
+                       } else if (elbuffer instanceof PHPType) {
+                               wordRule.addWord(elbuffer.getName(), type);
+                       } else if (elbuffer instanceof PHPConstant) {
+                               wordRule.addWord(elbuffer.getName(), constant);
+                       }
+               }
+
+               // Add word rule for keyword 'return'.
+               token = getToken(IPreferenceConstants.PHP_KEYWORD_RETURN);
+               wordRule.addWord("return", token);
+
+               // Add rule for operators and brackets (at the end !)
+               rules.add(new OperatorRule(getToken(IPreferenceConstants.PHP_OPERATOR),
+                               getToken(IPreferenceConstants.PHP_BRACE_OPERATOR),
+                               getToken(IPreferenceConstants.PHP_STRING_DQ)));
+
+               rules.add(wordRule);
+
+               setDefaultReturnToken(getToken(IPreferenceConstants.PHP_DEFAULT));
+               return rules;
+       }
 }