/*******************************************************************************
 * Copyright (c) 2004 IBM Corporation 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 API and implementation
 *******************************************************************************/
package net.sourceforge.phpdt.internal.core.util;

import net.sourceforge.phpdt.internal.compiler.parser.Scanner;

/**
 * Internal scanner used for DOM AST nodes.
 * 
 * @since 3.0
 */
public class CommentRecorderScanner extends Scanner {

	public CommentRecorderScanner(boolean tokenizeComments,
			boolean tokenizeWhiteSpace,
			boolean checkNonExternalizedStringLiterals,
			// long sourceLevel,
			char[][] taskTags, char[][] taskPriorities) {
		// boolean isTaskCaseSensitive) {
		// super(tokenizeComments, tokenizeWhiteSpace,
		// checkNonExternalizedStringLiterals,
		// sourceLevel,
		// taskTags, taskPriorities, isTaskCaseSensitive);
		super(tokenizeComments, tokenizeWhiteSpace,
				checkNonExternalizedStringLiterals, false, false, taskTags,
				taskPriorities, true /* taskCaseSensitive */);
	}

	/**
	 * Set start position negative for line comments.
	 * 
	 * @see net.sourceforge.phpdt.internal.compiler.parser.Scanner#recordComment(int)
	 */
	public void recordComment(int token) {
		super.recordComment(token);
		if (token == TokenNameCOMMENT_LINE) {
			// for comment line both positions are negative
			this.commentStarts[this.commentPtr] = -this.commentStarts[this.commentPtr];
		}
	}
}