| /******************************************************************************* |
| * Copyright (c) 2007, 2018 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v20.html |
| * |
| * Contributors: |
| * IBM - Initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.ocl.examples.interpreter.console.text; |
| |
| import org.eclipse.jface.text.TextAttribute; |
| import org.eclipse.jface.text.rules.IWordDetector; |
| import org.eclipse.jface.text.rules.Token; |
| import org.eclipse.jface.text.rules.WordRule; |
| |
| |
| /** |
| * Rule to match OCL identifiers. |
| * |
| * @author Christian W. Damus (cdamus) |
| */ |
| class OCLIdentifierRule |
| extends WordRule { |
| |
| OCLIdentifierRule() { |
| super(new OCLKeywordDetector(), new Token(new TextAttribute(null))); |
| } |
| |
| private static class OCLKeywordDetector |
| implements IWordDetector { |
| |
| public boolean isWordPart(char c) { |
| return isWordStart(c) || c == '$' || (c >= '0' && c <= '9'); |
| } |
| |
| public boolean isWordStart(char c) { |
| return c == '_' || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); |
| } |
| } |
| } |