Remove pulled-in 2.0 code

core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/CCodeScanner.java

@@ -20,6 +20,7 @@ import org.eclipse.jface.text.rules.IWordDetector;
 import org.eclipse.jface.text.rules.PatternRule;
 import org.eclipse.jface.text.rules.SingleLineRule;
 import org.eclipse.jface.text.rules.Token;
+import org.eclipse.jface.text.rules.WordRule;
 import org.eclipse.jface.util.Assert;
 import org.eclipse.jface.util.PropertyChangeEvent;
 
@@ -29,115 +30,6 @@ import org.eclipse.jface.util.PropertyChangeEvent;
  */
 public final class CCodeScanner extends AbstractCScanner {
 	
-	private class CWordRule implements IRule {
-		
-		protected static final int UNDEFINED= -1;
-		
-		/** The word detector used by this rule */
-		protected IWordDetector fDetector;
-		/** The default token to be returned on success and if nothing else has been specified. */
-		protected IToken fDefaultToken;
-		/** The column constraint */
-		protected int fColumn= UNDEFINED;
-		/** The table of predefined words and token for this rule */
-		protected Map fWords= new HashMap();
-		
-		private StringBuffer fBuffer= new StringBuffer();
-	
-		/**
-		 * Creates a rule which, with the help of an word detector, will return the token
-		 * associated with the detected word. If no token has been associated, the scanner 
-		 * will be rolled back and an undefined token will be returned in order to allow 
-		 * any subsequent rules to analyze the characters.
-		 *
-		 * @param detector the word detector to be used by this rule, may not be <code>null</code>
-		 *
-		 * @see #addWord
-		 */
-		public CWordRule(IWordDetector detector) {
-			this(detector, Token.UNDEFINED);
-		}
-		/**
-		 * Creates a rule which, with the help of an word detector, will return the token
-		 * associated with the detected word. If no token has been associated, the
-		 * specified default token will be returned.
-		 *
-		 * @param detector the word detector to be used by this rule, may not be <code>null</code>
-		 * @param defaultToken the default token to be returned on success 
-		 *		if nothing else is specified, may not be <code>null</code>
-		 *
-		 * @see #addWord
-		 */
-		public CWordRule(IWordDetector detector, IToken defaultToken) {
-			
-			Assert.isNotNull(detector);
-			Assert.isNotNull(defaultToken);
-			
-			fDetector= detector;
-			fDefaultToken= 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 addWord(String word, IToken token) {
-			Assert.isNotNull(word);
-			Assert.isNotNull(token);		
-		
-			fWords.put(word, token);
-		}
-		/*
-		 * @see IRule#evaluate
-		 */
-		public IToken evaluate(ICharacterScanner scanner) {
-			
-			int c= scanner.read();
-			if (Character.isJavaIdentifierStart((char) c) || (c == '#' && scanner.getColumn() == 1)) {	
-				fBuffer.setLength(0);
-				do {
-					fBuffer.append((char) c);
-					c= scanner.read();
-				} while (Character.isJavaIdentifierPart((char) c));
-				scanner.unread();
-				
-				IToken token= (IToken) fWords.get(fBuffer.toString());
-				if (token != null)
-					return token;
-					
-				//if (fDefaultToken.isUndefined())
-				//	unreadBuffer(scanner);
-					
-				return fDefaultToken;
-			}
-			
-			scanner.unread();
-			return Token.UNDEFINED; 
-		}
-		/**
-		 * Sets a column constraint for this rule. If set, the rule's token
-		 * will only be returned if the pattern is detected starting at the 
-		 * specified column. If the column is smaller then 0, the column
-		 * constraint is considered removed.
-		 *
-		 * @param column the column in which the pattern starts
-		 */
-		public void setColumnConstraint(int column) {
-			if (column < 0)
-				column= UNDEFINED;
-			fColumn= column;
-		}
-		/**
-		 * Returns the characters in the buffer to the scanner.
-		 *
-		 * @param scanner the scanner to be used
-		 */
-		protected void unreadBuffer(ICharacterScanner scanner) {
-			for (int i= fBuffer.length() - 1; i >= 0; i--)
-				scanner.unread();
-		}
-	};
 
 	private static String[] fgKeywords= { 
 			"asm", "auto",
@@ -198,7 +90,6 @@ public final class CCodeScanner extends AbstractCScanner {
 		// Add rule for strings and character constants.
 		rules.add(new SingleLineRule("'", "'", token, '\\'));
 				
-				
 		
 		// Add generic whitespace rule.
 		//rules.add(new WhitespaceRule(new CWhitespaceDetector()));
@@ -206,7 +97,7 @@ public final class CCodeScanner extends AbstractCScanner {
 		
 		// Add word rule for keywords, types, and constants.
 		token= getToken(ICColorConstants.C_DEFAULT);
-		CWordRule wordRule= new CWordRule(new CWordDetector(), token);
+		WordRule wordRule= new WordRule(new CWordDetector(), token);
 		
 		token= getToken(ICColorConstants.C_KEYWORD);
 		for (int i=0; i<fgKeywords.length; i++)